Revert of Registration of DevTools bridge in GCD.

components/devtools_bridge.gyp

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'devtools_bridge_javalib',
       'type': 'none',
       'variables': {
         'java_in_dir': 'devtools_bridge/android/java',
       },
       'includes': [ '../build/java.gypi' ],
       'dependencies': [
-        '../third_party/android_tools/android_tools.gyp:android_gcm',
         '../third_party/libjingle/libjingle.gyp:libjingle_peerconnection_javalib',
       ],
     },
     {
       'target_name': 'devtools_bridge_testutils',
       'type': 'none',
       'variables': {
         'java_in_dir': 'devtools_bridge/test/android/javatests',
       },
       'includes': [ '../build/java.gypi' ],
@@ skipping 13 matching lines @@
         'apk_name': 'DevToolsBridgeTest',
         'test_suite_name': 'devtools_bridge_tests',
         'java_in_dir': 'devtools_bridge/android/javatests',
         'native_lib_target': 'libjingle_peerconnection_so',
         'is_test_apk': 1,
       },
       'includes': [ '../build/java_apk.gypi' ],
     },
   ],
 }