[VOL-4290] Voltha go library updates for gRPC migration

Change-Id: I1aa2774beb6b7ed7419bc45aeb53fcae8a8ecda0
diff --git a/vendor/google.golang.org/protobuf/internal/genid/wrappers.go b/vendor/google.golang.org/protobuf/internal/genid/wrappers.go
new file mode 100644
index 0000000..429384b
--- /dev/null
+++ b/vendor/google.golang.org/protobuf/internal/genid/wrappers.go
@@ -0,0 +1,13 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package genid
+
+import protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+
+// Generic field name and number for messages in wrappers.proto.
+const (
+	WrapperValue_Value_field_name   protoreflect.Name        = "value"
+	WrapperValue_Value_field_number protoreflect.FieldNumber = 1
+)