Adds MediaClientAndroid to support embedder/MediaDrmBridge interaction.

components/cdm.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.
 
 {
   'targets': [
     {
       # GN verison: //components/cdm/common
       'target_name': 'cdm_common',
       'type': 'static_library',
@@ skipping 46 matching lines @@
           'dependencies': [
             'cdm_common',
             '../base/base.gyp:base',
             '../content/content.gyp:content_browser',
             '../content/content.gyp:content_common',
             '../media/media.gyp:media',
           ],
           'sources': [
             'cdm/browser/cdm_message_filter_android.cc',
             'cdm/browser/cdm_message_filter_android.h',
+            'cdm/browser/widevine_drm_delegate_android.cc',
+            'cdm/browser/widevine_drm_delegate_android.h',
           ],
         },
       ],
     }],
   ],
 }