[Android] Abandon bundling DevTools frontends for mobile apps

components/devtools_remote_frontend.gypi

+# Copyright (c) 2013 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_remote_frontend',
+      'type': 'static_library',
+      'dependencies': [
+        '../base/base.gyp:base',
+        '../url/url.gyp:url_lib',
+        '../webkit/common/user_agent/webkit_user_agent.gyp:user_agent',
+      ],
+      'sources': [
+        'devtools_remote_frontend/devtools_auth_android.cc',
+        'devtools_remote_frontend/devtools_auth_android.h',
+        'devtools_remote_frontend/devtools_remote_frontend_util.cc',
+        'devtools_remote_frontend/devtools_remote_frontend_util.h',
+      ],
+    },
+  ],
+}