chore: Update discovery artifacts (#1401)

## Discovery Artifact Change Summary:
feat(metastore): update the api https://github.com/googleapis/google-api-python-client/commit/c9632ee831b9c135f3a0c018b3fdfe73d7e698a4

9 files changed, 96 insertions, 9 deletions

diff --git a/googleapiclient/discovery_cache/documents/bigquerydatatransfer.v1.json b/googleapiclient/discovery_cache/documents/bigquerydatatransfer.v1.json
index 6608a51c8..b06c1b564 100644
--- a/googleapiclient/discovery_cache/documents/bigquerydatatransfer.v1.json
+++ b/googleapiclient/discovery_cache/documents/bigquerydatatransfer.v1.json
@@ -1280,7 +1280,7 @@
       }
     }
   },
-  "revision": "20210519",
+  "revision": "20210528",
   "rootUrl": "https://bigquerydatatransfer.googleapis.com/",
   "schemas": {
     "CheckValidCredsRequest": {
diff --git a/googleapiclient/discovery_cache/documents/classroom.v1.json b/googleapiclient/discovery_cache/documents/classroom.v1.json
index 5ee9dbce1..5412e4ddb 100644
--- a/googleapiclient/discovery_cache/documents/classroom.v1.json
+++ b/googleapiclient/discovery_cache/documents/classroom.v1.json
@@ -2400,7 +2400,7 @@
       }
     }
   },
-  "revision": "20210528",
+  "revision": "20210602",
   "rootUrl": "https://classroom.googleapis.com/",
   "schemas": {
     "Announcement": {
diff --git a/googleapiclient/discovery_cache/documents/deploymentmanager.alpha.json b/googleapiclient/discovery_cache/documents/deploymentmanager.alpha.json
index 18c502733..d70d2091d 100644
--- a/googleapiclient/discovery_cache/documents/deploymentmanager.alpha.json
+++ b/googleapiclient/discovery_cache/documents/deploymentmanager.alpha.json
@@ -1588,7 +1588,7 @@
       }
     }
   },
-  "revision": "20210527",
+  "revision": "20210605",
   "rootUrl": "https://deploymentmanager.googleapis.com/",
   "schemas": {
     "AsyncOptions": {
diff --git a/googleapiclient/discovery_cache/documents/deploymentmanager.v2.json b/googleapiclient/discovery_cache/documents/deploymentmanager.v2.json
index 37e843594..6981e7c57 100644
--- a/googleapiclient/discovery_cache/documents/deploymentmanager.v2.json
+++ b/googleapiclient/discovery_cache/documents/deploymentmanager.v2.json
@@ -988,7 +988,7 @@
       }
     }
   },
-  "revision": "20210527",
+  "revision": "20210605",
   "rootUrl": "https://deploymentmanager.googleapis.com/",
   "schemas": {
     "AuditConfig": {
diff --git a/googleapiclient/discovery_cache/documents/deploymentmanager.v2beta.json b/googleapiclient/discovery_cache/documents/deploymentmanager.v2beta.json
index 700442255..47b9f1240 100644
--- a/googleapiclient/discovery_cache/documents/deploymentmanager.v2beta.json
+++ b/googleapiclient/discovery_cache/documents/deploymentmanager.v2beta.json
@@ -1552,7 +1552,7 @@
       }
     }
   },
-  "revision": "20210527",
+  "revision": "20210605",
   "rootUrl": "https://deploymentmanager.googleapis.com/",
   "schemas": {
     "AsyncOptions": {
diff --git a/googleapiclient/discovery_cache/documents/gameservices.v1.json b/googleapiclient/discovery_cache/documents/gameservices.v1.json
index 82f546f1a..caba00411 100644
--- a/googleapiclient/discovery_cache/documents/gameservices.v1.json
+++ b/googleapiclient/discovery_cache/documents/gameservices.v1.json
@@ -1312,7 +1312,7 @@
       }
     }
   },
-  "revision": "20210520",
+  "revision": "20210527",
   "rootUrl": "https://gameservices.googleapis.com/",
   "schemas": {
     "AuditConfig": {
diff --git a/googleapiclient/discovery_cache/documents/gkehub.v1alpha2.json b/googleapiclient/discovery_cache/documents/gkehub.v1alpha2.json
index 43de55d67..5b50c62f3 100644
--- a/googleapiclient/discovery_cache/documents/gkehub.v1alpha2.json
+++ b/googleapiclient/discovery_cache/documents/gkehub.v1alpha2.json
@@ -652,7 +652,7 @@
       }
     }
   },
-  "revision": "20210521",
+  "revision": "20210601",
   "rootUrl": "https://gkehub.googleapis.com/",
   "schemas": {
     "AuditConfig": {
diff --git a/googleapiclient/discovery_cache/documents/gkehub.v1beta.json b/googleapiclient/discovery_cache/documents/gkehub.v1beta.json
index 26d2e5cc2..7bb0adeaa 100644
--- a/googleapiclient/discovery_cache/documents/gkehub.v1beta.json
+++ b/googleapiclient/discovery_cache/documents/gkehub.v1beta.json
@@ -670,7 +670,7 @@
       }
     }
   },
-  "revision": "20210521",
+  "revision": "20210601",
   "rootUrl": "https://gkehub.googleapis.com/",
   "schemas": {
     "AuditConfig": {
diff --git a/googleapiclient/discovery_cache/documents/metastore.v1beta.json b/googleapiclient/discovery_cache/documents/metastore.v1beta.json
index bd3ce34d1..90d2f754c 100644
--- a/googleapiclient/discovery_cache/documents/metastore.v1beta.json
+++ b/googleapiclient/discovery_cache/documents/metastore.v1beta.json
@@ -692,6 +692,37 @@
                         "https://www.googleapis.com/auth/cloud-platform"
                       ]
                     },
+                    "getIamPolicy": {
+                      "description": "Gets the access control policy for a resource. Returns an empty policy if the resource exists and does not have a policy set.",
+                      "flatPath": "v1beta/projects/{projectsId}/locations/{locationsId}/services/{servicesId}/backups/{backupsId}:getIamPolicy",
+                      "httpMethod": "GET",
+                      "id": "metastore.projects.locations.services.backups.getIamPolicy",
+                      "parameterOrder": [
+                        "resource"
+                      ],
+                      "parameters": {
+                        "options.requestedPolicyVersion": {
+                          "description": "Optional. The policy format version to be returned.Valid values are 0, 1, and 3. Requests specifying an invalid value will be rejected.Requests for policies with any conditional bindings must specify version 3. Policies without any conditional bindings may specify any valid value or leave the field unset.To learn which resources support conditions in their IAM policies, see the IAM documentation (https://cloud.google.com/iam/help/conditions/resource-policies).",
+                          "format": "int32",
+                          "location": "query",
+                          "type": "integer"
+                        },
+                        "resource": {
+                          "description": "REQUIRED: The resource for which the policy is being requested. See the operation documentation for the appropriate value for this field.",
+                          "location": "path",
+                          "pattern": "^projects/[^/]+/locations/[^/]+/services/[^/]+/backups/[^/]+$",
+                          "required": true,
+                          "type": "string"
+                        }
+                      },
+                      "path": "v1beta/{+resource}:getIamPolicy",
+                      "response": {
+                        "$ref": "Policy"
+                      },
+                      "scopes": [
+                        "https://www.googleapis.com/auth/cloud-platform"
+                      ]
+                    },
                     "list": {
                       "description": "Lists backups in a service.",
                       "flatPath": "v1beta/projects/{projectsId}/locations/{locationsId}/services/{servicesId}/backups",
@@ -737,6 +768,62 @@
                       "scopes": [
                         "https://www.googleapis.com/auth/cloud-platform"
                       ]
+                    },
+                    "setIamPolicy": {
+                      "description": "Sets the access control policy on the specified resource. Replaces any existing policy.Can return NOT_FOUND, INVALID_ARGUMENT, and PERMISSION_DENIED errors.",
+                      "flatPath": "v1beta/projects/{projectsId}/locations/{locationsId}/services/{servicesId}/backups/{backupsId}:setIamPolicy",
+                      "httpMethod": "POST",
+                      "id": "metastore.projects.locations.services.backups.setIamPolicy",
+                      "parameterOrder": [
+                        "resource"
+                      ],
+                      "parameters": {
+                        "resource": {
+                          "description": "REQUIRED: The resource for which the policy is being specified. See the operation documentation for the appropriate value for this field.",
+                          "location": "path",
+                          "pattern": "^projects/[^/]+/locations/[^/]+/services/[^/]+/backups/[^/]+$",
+                          "required": true,
+                          "type": "string"
+                        }
+                      },
+                      "path": "v1beta/{+resource}:setIamPolicy",
+                      "request": {
+                        "$ref": "SetIamPolicyRequest"
+                      },
+                      "response": {
+                        "$ref": "Policy"
+                      },
+                      "scopes": [
+                        "https://www.googleapis.com/auth/cloud-platform"
+                      ]
+                    },
+                    "testIamPermissions": {
+                      "description": "Returns permissions that a caller has on the specified resource. If the resource does not exist, this will return an empty set of permissions, not a NOT_FOUND error.Note: This operation is designed to be used for building permission-aware UIs and command-line tools, not for authorization checking. This operation may \"fail open\" without warning.",
+                      "flatPath": "v1beta/projects/{projectsId}/locations/{locationsId}/services/{servicesId}/backups/{backupsId}:testIamPermissions",
+                      "httpMethod": "POST",
+                      "id": "metastore.projects.locations.services.backups.testIamPermissions",
+                      "parameterOrder": [
+                        "resource"
+                      ],
+                      "parameters": {
+                        "resource": {
+                          "description": "REQUIRED: The resource for which the policy detail is being requested. See the operation documentation for the appropriate value for this field.",
+                          "location": "path",
+                          "pattern": "^projects/[^/]+/locations/[^/]+/services/[^/]+/backups/[^/]+$",
+                          "required": true,
+                          "type": "string"
+                        }
+                      },
+                      "path": "v1beta/{+resource}:testIamPermissions",
+                      "request": {
+                        "$ref": "TestIamPermissionsRequest"
+                      },
+                      "response": {
+                        "$ref": "TestIamPermissionsResponse"
+                      },
+                      "scopes": [
+                        "https://www.googleapis.com/auth/cloud-platform"
+                      ]
                     }
                   }
                 },
@@ -899,7 +986,7 @@
       }
     }
   },
-  "revision": "20210513",
+  "revision": "20210527",
   "rootUrl": "https://metastore.googleapis.com/",
   "schemas": {
     "AuditConfig": {