ONOS-7152 Buck build of gNMI auto-generated gRPC stubs

Change-Id: I214a1e28aaee456f2d48ddcda1af18619275e863
diff --git a/protocols/gnmi/stub/BUCK b/protocols/gnmi/stub/BUCK
new file mode 100644
index 0000000..4bb2fe5
--- /dev/null
+++ b/protocols/gnmi/stub/BUCK
@@ -0,0 +1,24 @@
+include_defs('//bucklets/grpc.bucklet')
+
+PROTOBUF_VER = '3.2.0'
+GRPC_VER = '1.3.0'
+
+COMPILE_DEPS = [
+    '//lib:CORE_DEPS',
+    '//incubator/grpc-dependencies:grpc-core-repkg-' + GRPC_VER,
+    '//lib:grpc-stub-' + GRPC_VER,
+    '//lib:grpc-protobuf-' + GRPC_VER,
+    '//lib:protobuf-java-' + PROTOBUF_VER,
+]
+
+grpc_jar(
+    deps = COMPILE_DEPS,
+    # FIXME should not be manually building absolute path.
+    # Come up with glob(..) equivalent in BUCK which can handle directory.
+    proto_paths = ["$ONOS_ROOT/protocols/gnmi/stub/src/main/proto"],
+    include_std_lib = True,
+)
+
+project_config(
+    src_target = ':onos-protocols-gnmi-stub'
+)