gRPC migration
Change-Id: I3129ae27d7ee12a23c7046f0d877e8064f2fd7f4
diff --git a/vendor/github.com/golang/protobuf/ptypes/doc.go b/vendor/github.com/golang/protobuf/ptypes/doc.go
index fb9edd5..d3c3325 100644
--- a/vendor/github.com/golang/protobuf/ptypes/doc.go
+++ b/vendor/github.com/golang/protobuf/ptypes/doc.go
@@ -3,4 +3,8 @@
// license that can be found in the LICENSE file.
// Package ptypes provides functionality for interacting with well-known types.
+//
+// Deprecated: Well-known types have specialized functionality directly
+// injected into the generated packages for each message type.
+// See the deprecation notice for each function for the suggested alternative.
package ptypes