[DeviceService] Add service tests for VibrationManager.

services/service_manager/public/cpp/test/BUILD.gn

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//testing/test.gni")
 
 # NOTE: Don't depend on this target directly. Instead use the service_test
 # template from //services/service_manager/public/tools/test/service_test.gni.
 source_set("run_all_service_tests") {
   testonly = true
 
   sources = [
     "run_all_service_tests.cc",
     "service_test_catalog.h",
   ]
 
   deps = [
     "//base",
     "//base/test:test_support",
     "//mojo/edk/system",
     "//services/catalog:lib",
     "//services/service_manager/background:lib",
   ]
+
+  if (is_android) {
+    deps += [ "//mojo/android:libsystem_java" ]
+  }
 }