Update the cronet sample app with new async APIs.

components/cronet.gypi

 # 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.
 
 {
   'conditions': [
     ['OS=="android"', {
       # TODO(mef): Figure out what needs to be done for gn script.
       'targets': [
         {
@@ skipping 303 matching lines @@
           'type': 'none',
           'dependencies': [
             'cronet_java',
             'cronet_sample_apk_java',
             'cronet_api',
             '../base/base.gyp:base_java_test_support',
           ],
           'variables': {
             'apk_name': 'CronetSampleTest',
             'java_in_dir': 'cronet/android/sample/javatests',
-            'resource_dir': 'cronet/android/sample/res',
             'is_test_apk': 1,
           },
           'includes': [ '../build/java_apk.gypi' ],
         },
         {
           'target_name': 'cronet_tests_jni_headers',
           'type': 'none',
           'sources': [
             'cronet/android/test/src/org/chromium/net/CronetTestUtil.java',
             'cronet/android/test/src/org/chromium/net/MockUrlRequestJobFactory.java',
@@ skipping 249 matching lines @@
             },
           ],
         },
       ],
       'variables': {
         'enable_data_reduction_proxy_support%': 0,
       },
     }],  # OS=="android"
   ],
 }