[VOL-4638] Add communication with VOLTHA NBI and the Olt app REST APIs

Change-Id: I6ccf5725a108b91f47dfc4c20e9614b38c71419a
diff --git a/vendor/google.golang.org/protobuf/internal/flags/proto_legacy_disable.go b/vendor/google.golang.org/protobuf/internal/flags/proto_legacy_disable.go
new file mode 100644
index 0000000..a72995f
--- /dev/null
+++ b/vendor/google.golang.org/protobuf/internal/flags/proto_legacy_disable.go
@@ -0,0 +1,9 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build !protolegacy
+
+package flags
+
+const protoLegacy = false