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

Change-Id: I1aa2774beb6b7ed7419bc45aeb53fcae8a8ecda0
diff --git a/vendor/github.com/gorilla/websocket/AUTHORS b/vendor/github.com/gorilla/websocket/AUTHORS
index b003eca..1931f40 100644
--- a/vendor/github.com/gorilla/websocket/AUTHORS
+++ b/vendor/github.com/gorilla/websocket/AUTHORS
@@ -4,5 +4,6 @@
 # Please keep the list sorted.
 
 Gary Burd <gary@beagledreams.com>
+Google LLC (https://opensource.google.com/)
 Joachim Bauch <mail@joachim-bauch.de>