Make the Android GN debug component build actually build.

content/test/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("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/module_args/v8.gni")
 import("//testing/test.gni")
 import("//third_party/mojo/src/mojo/public/tools/bindings/mojom.gni")
@@ skipping 564 matching lines @@
       deps += [ "//chromeos" ]
     }
     if (is_android) {
       sources += rebase_path(
               content_tests_gypi_values.content_unittests_android_sources,
               ".",
               "//content")
       sources -= [
         "../browser/geolocation/network_location_provider_unittest.cc",
         "../browser/geolocation/wifi_data_provider_common_unittest.cc",
+        "../browser/renderer_host/begin_frame_observer_proxy_unittest.cc",
         "../browser/webui/url_data_manager_backend_unittest.cc",
       ]
       deps += [ "//testing/android/native_test:native_test_native_code" ]
     }
     if (!is_android && !is_ios) {
       deps += [ "//third_party/libvpx" ]
     }
 
     if (use_aura) {
       deps += [
@@ skipping 111 matching lines @@
       "//content/public/common",
       "//testing/gtest",
       "//third_party/WebKit/public:blink",
       "//ui/base",
       "//ui/gfx",
       "//ui/gfx/geometry",
       "//ui/gl",
     ]
   }
 }