Disable failing omnibox test

BUG=70437

Review URL: http://codereview.chromium.org/6307011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@72223 0039d316-1c4b-4281-b951-d872f2087c98

chrome/test/functional/PYAUTO_TESTS

@@ -107,6 +107,8 @@
       '-content.ContentTest.testThreeWindows',  # crbug.com/47457
       '-instant.InstantTest.testInstantNavigation',  # crbug.com/69090
       '-crash_reporter.CrashReporterTest.testRendererCrash',  # crbug.com/69464
+      # crbug.com/70437
+      '-omnibox.OmniboxTest.testHistoryResult',
     ],
 
     'linux': [  # linux != chromeos