Allow building third-party apps based on gRPC

By publishing the repackaged grpc and protobuf artifacts

Change-Id: Ib3af7dba4f64948132aa70be31922de61d6f6ab2
diff --git a/drivers/stratum/BUILD b/drivers/stratum/BUILD
index a87c97e..91b055c 100644
--- a/drivers/stratum/BUILD
+++ b/drivers/stratum/BUILD
@@ -1,5 +1,5 @@
 COMPILE_DEPS = CORE_DEPS + KRYO + JACKSON + [
-    "@io_grpc_grpc_java//core",
+    "//lib:io_grpc_grpc_core_context",
     "//drivers/p4runtime:onos-drivers-p4runtime",
     "//drivers/gnmi:onos-drivers-gnmi",
     "//drivers/gnoi:onos-drivers-gnoi",