Adding skeletal structure for the ONLP gNMI GUI demo.

Change-Id: I6796ebf200e20a51bdc098fcc3696b78d7c1132e
diff --git a/apps/onlp-demo/BUILD b/apps/onlp-demo/BUILD
new file mode 100644
index 0000000..0bf3560
--- /dev/null
+++ b/apps/onlp-demo/BUILD
@@ -0,0 +1,25 @@
+COMPILE_DEPS = CORE_DEPS + JACKSON + [
+    "@com_google_protobuf//:protobuf_java",
+    "@io_grpc_grpc_java//core",
+    "@io_grpc_grpc_java//netty",
+    "@io_grpc_grpc_java//stub",
+    "//core/store/serializers:onos-core-serializers",
+    "//protocols/gnmi/stub:onos-protocols-gnmi-stub",
+    "//protocols/gnmi/api:onos-protocols-gnmi-api",
+    "//protocols/grpc/api:onos-protocols-grpc-api",
+    "//protocols/grpc/proto:onos-protocols-grpc-proto",
+]
+
+osgi_jar_with_tests(
+    deps = COMPILE_DEPS,
+)
+
+onos_app(
+    category = "GUI",
+    description = "Provides a GUI overlay for displaying ONLP device management information.",
+    required_apps = [
+        "org.onosproject.protocols.gnmi",
+    ],
+    title = "ONLP device demo",
+    url = "http://onosproject.org",
+)