Allow re-creating clients for the same P4Runtime addr-port

Change-Id: Ib3de10d047f52dd28511e71385773d4b4a9ad74f
diff --git a/protocols/p4runtime/ctl/BUCK b/protocols/p4runtime/ctl/BUCK
index 90a0266..cc62acb 100644
--- a/protocols/p4runtime/ctl/BUCK
+++ b/protocols/p4runtime/ctl/BUCK
@@ -8,6 +8,7 @@
     '//protocols/p4runtime/proto:onos-protocols-p4runtime-proto',
     '//incubator/grpc-dependencies:grpc-core-repkg-' + GRPC_VER,
     '//lib:grpc-stub-' + GRPC_VER,
+    '//lib:grpc-netty-' + GRPC_VER,
     '//lib:protobuf-java-' + PROTOBUF_VER,
 ]