Disable PyAuto apptest in the FULL suite on ChromeOS until r125069 is picked up.

chrome/test/functional/PYAUTO_TESTS

 # 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.
 #
 # This file lists the pyauto tests that run as a part of the functional test
 # suite.
 #
 # Tests can be enabled on a per-platform basis. Tests not listed here will
 # not be run.
 #
@@ skipping 442 matching lines @@
     'all': [
       '@CONTINUOUS',
       'media.media_basic_playback',
       'nacl_sdk',
       'translate',
       'about_plugins_ui',
 
       # ==================================================
       # Disabled tests that need to be investigated/fixed.
       # ==================================================
+      # Disable app tests until r125069 reaches Google Chrome.
+      '-apptest',
       # This test fails due to crbug.com/35485
       '-translate.TranslateTest.testBarNotVisibleOnSSLErrorPage',
       # This test fails due to crbug.com/50706
       '-translate.TranslateTest.testToggleTranslateOption',
       # crbug.com/85601
       '-translate.TranslateTest.testAlwaysTranslateInIncognito',
       # This test fails due to crbug.com/85633
       '-translate.TranslateTest.testSessionRestore',
       # The source is behind.  Waiting for dev to automate the update.
       '-nacl_sdk.NaClSDKTest.testVerifyNaClSDKChecksum',
@@ skipping 216 matching lines @@
     ],
   },
 
   # HTML5 media performance tests.
   'AV_PERF': {
      'linux': [
        'media.media_constrained_network_perf',
      ],
   },
 }