[VOL-4293] OpenONU Adapter update for gRPC migration

Change-Id: I05300d3b95b878f44576a99a05f53f52fdc0cda1
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/.travis.yml b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/.travis.yml
new file mode 100644
index 0000000..fc198d8
--- /dev/null
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/.travis.yml
@@ -0,0 +1,16 @@
+sudo: false
+language: go
+go:
+  - 1.13.x
+  - 1.14.x
+  - 1.15.x
+
+env:
+  global:
+    - GO111MODULE=on
+
+script:
+ - make test
+
+after_success:
+  - bash <(curl -s https://codecov.io/bash)