Add grpcio-compiler metadata files.

Bug: 171504899
Test: N/A
Change-Id: If3b16c69ba3d13253b3d89a91603ac7c7f638390
diff --git a/METADATA b/METADATA
new file mode 100644
index 0000000..b064623
--- /dev/null
+++ b/METADATA
@@ -0,0 +1,19 @@
+name: "grpcio-compiler"
+description: "gRPC compiler for grpcio"
+third_party {
+  url {
+    type: HOMEPAGE
+    value: "https://crates.io/crates/grpcio-compiler"
+  }
+  url {
+    type: ARCHIVE
+    value: "https://static.crates.io/crates/grpcio-compiler/grpcio-compiler-0.6.0.crate"
+  }
+  version: "0.6.0"
+  license_type: NOTICE
+  last_upgrade_date {
+    year: 2020
+    month: 10
+    day: 29
+  }
+}