Move the test template to //testing/test.gni (part 2)

mojo/edk/system/BUILD.gn

 # 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("//testing/rules.gni")
 import("../mojo_edk.gni")
 
-if (is_android) {
-  import("//build/config/android/config.gni")
-  import("//build/config/android/rules.gni")
-}
-
 config("system_config") {
   defines = [
     # Ensures that dependent projects import the core functions on Windows.
     "MOJO_USE_SYSTEM_IMPL",
   ]
 }
 
 component("system") {
   output_name = "mojo_system_impl"
 
@@ skipping 140 matching lines @@
   deps = [
     ":system",
     ":test_utils",
     "../embedder:embedder_unittests",
     "../test:test_support",
     "//base",
     "//base/test:test_support",
     "//testing/gtest",
   ]
 
-  if (is_android) {
-    deps += [ "//testing/android:native_test_native_code" ]
-  }
-
   allow_circular_includes_from = [ "../embedder:embedder_unittests" ]
 }
 
 # GYP version: mojo/edk/mojo_edk.gyp:mojo_message_pipe_perftests
 test("mojo_message_pipe_perftests") {
   sources = [
     "message_pipe_perftest.cc",
     "message_pipe_test_utils.h",
     "message_pipe_test_utils.cc",
   ]
 
   deps = [
     ":system",
     ":test_utils",
     "../test:test_support",
     "//base",
     "//base/test:test_support",
     "//base/test:test_support_perf",
     "//testing/gtest",
   ]
 }
-
-if (is_android) {
-  unittest_apk("mojo_system_unittests_apk") {
-    deps = [
-      ":mojo_system_unittests",
-    ]
-    unittests_dep = ":mojo_system_unittests"
-  }
-}