[VOL-4292] OpenOLT Adapter changes for gRPC migration

Change-Id: I5af2125f2c2f53ffc78c474a94314bba408f8bae
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tags/context.go b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tags/context.go
index 583025c..0da1658 100644
--- a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tags/context.go
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/tags/context.go
@@ -69,10 +69,10 @@
 	return t
 }
 
-func setInContext(ctx context.Context, tags Tags) context.Context {
+func SetInContext(ctx context.Context, tags Tags) context.Context {
 	return context.WithValue(ctx, ctxMarkerKey, tags)
 }
 
-func newTags() Tags {
+func NewTags() Tags {
 	return &mapTags{values: make(map[string]interface{})}
 }