VOL-2894 - reference the voltha GRPC end point via a holder

Change-Id: If24299556ad6cacf9cd0f793167a2c908534729c
(cherry picked from commit f8ce7d2ceaf5c37cc992448e7c6b6331a234168b)
diff --git a/VERSION b/VERSION
index 0664a8f..2bf1ca5 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.1.6
+1.1.7