Create xxxhdpi density splits when density splits are enabled

build/android/package_resources_action.gypi

 # Copyright 2015 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 file is a helper to java_apk.gypi. It should be used to create an
 # action that runs ApkBuilder via ANT.
 #
 # Required variables:
 #  apk_name - File name (minus path & extension) of the output apk.
 #  android_manifest_path - Path to AndroidManifest.xml.
@@ skipping 54 matching lines @@
       ],
     }],
     ['create_density_splits == 1', {
       'action': [
         '--create-density-splits',
       ],
       'outputs': [
         '<(resource_packaged_apk_path)-hdpi',
         '<(resource_packaged_apk_path)-xhdpi',
         '<(resource_packaged_apk_path)-xxhdpi',
+        '<(resource_packaged_apk_path)-xxxhdpi',
         '<(resource_packaged_apk_path)-tvdpi',
       ],
     }],
     ['resource_zips != []', {
       'action': [
         '--resource-zips', '>(resource_zips)',
       ],
       'inputs': [
         '>@(resource_zips)',
       ],
     }],
   ],
 }