Add automated VR controller emulator

third_party/gvr-android-sdk/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("//build/config/android/rules.gni")
 
+android_aar_prebuilt("controller_test_api_java") {
+  aar_path = "test-libraries/controller_test_api.aar"
+  proguard_configs = [ "test-libraries/proguard.txt" ]
+}
+
 android_aar_prebuilt("gvr_common_java") {
   aar_path = "common_library.aar"
   proguard_configs = [ "src/proguard-gvr.txt" ]
   ignore_manifest = true  # Ignored because manifest merging is not supported (http://crbug.com/643967)
   ignore_native_libraries = true
 }
 
 android_aar_prebuilt("gvr_controller_java") {
   aar_path = "src/libraries/sdk-controller-1.10.0.aar"
 }
 
 config("libgvr_config") {
   include_dirs = [ "src/libraries/headers/" ]
 }