Add the target ABI option for apk based test runner

ui/ui_unittests.gypi

 # Copyright (c) 2012 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': [
     {
       'target_name': 'ui_test_support',
       'type': 'static_library',
       'dependencies': [
@@ skipping 226 matching lines @@
               'action': [
                 '../testing/android/generate_native_test.py',
                 '--native_library',
                 '<(PRODUCT_DIR)/lib.target/libui_unittests.so',
                 # TODO(jrg): find a better way to specify jar
                 # dependencies.  Hard coding seems fragile.
                 '--jar',
                 '<(PRODUCT_DIR)/lib.java/chromium_base.jar',
                 '--output',
                 '<(PRODUCT_DIR)/ui_unittests_apk',
+                '--app_abi',
+                '<(android_app_abi)',
                 '--ant-args',
                 '-DPRODUCT_DIR=<(PRODUCT_DIR)',
                 '--ant-compile'
               ],
             },
           ]
         },
       ],
     }],
   ],
 }