Add ChromeShellTestApk and other chrome/ test stuff

build/config/android/rules.gni

 # Copyright 2014 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/config.gni")
 import("//build/config/android/internal_rules.gni")
 import("//tools/grit/grit_rule.gni")
 
 assert(is_android)
 
@@ skipping 1185 matching lines @@
   }
 
   android_library(target_name) {
     java_files = []
     srcjar_deps = [ ":${_template_name}__protoc_java" ]
     deps = [
       "//third_party/android_protobuf:protobuf_nano_javalib",
     ]
   }
 }
+
+# TODO(GYP): implement this.
+template("uiautomator_test") {
+  if (defined(invoker.testonly)) { testonly = invoker.testonly }
+  assert(target_name != "")
+  assert(invoker.deps != [] || true)
+  group(target_name) {
+  }
+}