Disable crashing BrowserAccessibilityManagerTest.TestFatalError on Windows

BUG=304130
TBR=dmazzoni@chromium.org

Review URL: https://codereview.chromium.org/26000002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@226985 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 226985