Port video_decode_accelerator_unittest to GN for Android

BUILD.gn

 # 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.
 
 # This is the root build file for GN. GN will start processing by loading this
 # file, and recursively load all dependencies until all dependencies are either
 # resolved or known not to exist (which will cause the build to fail). So if
 # you add a new build file, there must be some path of dependencies from this
 # file to your new one or GN won't know about it.
 
@@ skipping 270 matching lines @@
       # TODO(GYP): Remove these when the components_unittests work.
       "//components/history/core/test:test",
       "//components/policy:policy_component_test_support",
       "//components/policy:test_support",
       "//components/rappor:test_support",
       "//components/signin/core/browser:test_support",
       "//components/sync_driver:test_support",
       "//components/user_manager",
       "//components/wallpaper",
       "//content/shell/android:content_shell_apk",
+      "//content/test:video_decode_accelerator_unittest",
 
       # TODO(GYP): Are these needed, or will they be pulled in automatically?
       "//third_party/android_tools:android_gcm_java",
       "//third_party/android_tools:android_support_v13_java",
       "//third_party/android_tools:android_support_v7_appcompat_java",
       "//third_party/android_tools:android_support_v7_mediarouter_java",
       "//third_party/android_tools:uiautomator_java",
       "//third_party/mesa",
       "//third_party/mockito:mockito_java",
       "//third_party/openmax_dl/dl",
@@ skipping 549 matching lines @@
       if (target_cpu == "x86") {
         deps += [
           # "//content/shell:crash_service_win64", TODO(GYP): crbug.com/537009
         ]
       }
     } else {
       deps += [ "//breakpad:minidump_stackwalk($host_toolchain)" ]
     }
   }
 }