Update to latest syn-1.0.16

* fill back missing NOTICE,METADATA,*LICENSE* files

Bug: 150877376
Test: make
Test: atest --host -c --include-subdirs external/rust/crates
Change-Id: Ib5df6b8fb97764214e701a888e44fab3a4245800

1 files changed, 7 insertions, 6 deletions

diff --git a/METADATA b/METADATA
index b3cf5755..314c2d71 100644
--- a/METADATA
+++ b/METADATA
@@ -1,8 +1,5 @@
 name: "syn"
-description:
-    "Syn is a parsing library for parsing a stream of Rust tokens into a syntax "
-    "tree of Rust source code."
-
+description: "Syn is a parsing library for parsing a stream of Rust tokens into a syntax tree of Rust source code."
 third_party {
   url {
     type: HOMEPAGE
@@ -12,6 +9,10 @@ third_party {
     type: GIT
     value: "https://github.com/dtolnay/syn"
   }
-  version: "1.0.7"
-  last_upgrade_date { year: 2020 month: 3 day: 5 }
+  version: "1.0.16"
+  last_upgrade_date {
+    year: 2020
+    month: 3
+    day: 20
+  }
 }