Make the Android GN debug component build actually build.

media/blink/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/test.gni")
 
 component("blink") {
   output_name = "media_blink"
 
   deps = [
@@ skipping 106 matching lines @@
       "key_system_config_selector_unittest.cc",
       "mock_webframeclient.h",
       "mock_weburlloader.cc",
       "mock_weburlloader.h",
       "run_all_unittests.cc",
       "test_response_generator.cc",
       "test_response_generator.h",
       "video_frame_compositor_unittest.cc",
       "webaudiosourceprovider_impl_unittest.cc",
     ]
+
+    if (is_android) {
+      deps += [ "//ui/gl" ]
+    }
   }
 }