Add NonNull annotation

Required for the current tip of tree ExoPlayer version.

Bug: 201541781
Test: Built the affected targets.
Change-Id: Icfd4c74f4a0cc58d3fe4bb8b02f2dd5d75aebf9d

2 files changed, 56 insertions, 0 deletions

diff --git a/annotation-stubs/gen_annotations.sh b/annotation-stubs/gen_annotations.sh
index 20703ce7..ba6048e7 100755
--- a/annotation-stubs/gen_annotations.sh
+++ b/annotation-stubs/gen_annotations.sh
@@ -9,6 +9,7 @@ ANNOTATIONS=(
     org.checkerframework.checker.nullness.qual.EnsuresNonNull
     org.checkerframework.checker.nullness.qual.EnsuresNonNullIf
     org.checkerframework.checker.nullness.qual.MonotonicNonNull
+    org.checkerframework.checker.nullness.qual.NonNull
     org.checkerframework.checker.nullness.qual.Nullable
     org.checkerframework.checker.nullness.qual.PolyNull
     org.checkerframework.checker.nullness.qual.RequiresNonNull
diff --git a/annotation-stubs/src/org/checkerframework/checker/nullness/qual/NonNull.java b/annotation-stubs/src/org/checkerframework/checker/nullness/qual/NonNull.java
new file mode 100644
index 00000000..8c956faa
--- /dev/null
+++ b/annotation-stubs/src/org/checkerframework/checker/nullness/qual/NonNull.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.checkerframework.checker.nullness.qual;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+import kotlin.annotations.jvm.MigrationStatus;
+
+// NOTE: This is an autogenerated file. Do not modify its contents. See annotation_template.java and
+// gen_annotations.sh under platform/external/exoplayer/annotation-stubs.
+
+// This is an annotation stub to avoid dependencies on annotations that aren't
+// in the Android platform source tree.
+
+@Target({
+  ElementType.ANNOTATION_TYPE,
+  ElementType.CONSTRUCTOR,
+  ElementType.FIELD,
+  ElementType.LOCAL_VARIABLE,
+  ElementType.METHOD,
+  ElementType.PACKAGE,
+  ElementType.PARAMETER,
+  ElementType.TYPE,
+  ElementType.TYPE_PARAMETER,
+  ElementType.TYPE_USE
+})
+@Retention(RetentionPolicy.SOURCE)
+public @interface NonNull {
+
+  // These fields maintain API compatibility with annotations that expect arguments.
+
+  String[] value() default {};
+
+  boolean result() default false;
+
+  String[] expression() default {};
+
+  MigrationStatus status() default MigrationStatus.IGNORE;
+}