Windows debug layout tests are crashing like crazy again.
Disable tests on Win EWS bots temporarily.

* Scripts/webkitpy/tool/commands/earlywarningsystem.py:
(WinEWS):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@145110 268f45cc-cd09-0410-ab3c-d52691b4dbfc