VOL-1691 Fix openolt adapter getting stuck while registartion with core

Change-Id: Ide8131f325bc15f1b909e14d7af6ee9bcd6b3b5b
diff --git a/vendor/google.golang.org/grpc/.travis.yml b/vendor/google.golang.org/grpc/.travis.yml
index 8f36b81..024408e 100644
--- a/vendor/google.golang.org/grpc/.travis.yml
+++ b/vendor/google.golang.org/grpc/.travis.yml
@@ -2,16 +2,16 @@
 
 matrix:
   include:
-  - go: 1.12beta2
-    env: GO111MODULE=on
-  - go: 1.11.x
+  - go: 1.12.x
     env: VET=1 GO111MODULE=on
-  - go: 1.11.x
+  - go: 1.12.x
     env: RACE=1 GO111MODULE=on
-  - go: 1.11.x
+  - go: 1.12.x
     env: RUN386=1
-  - go: 1.11.x
+  - go: 1.12.x
     env: GRPC_GO_RETRY=on
+  - go: 1.11.x
+    env: GO111MODULE=on
   - go: 1.10.x
   - go: 1.9.x
   - go: 1.9.x