[chromium] Mark some software compositing tests as failing before landing anti-aliasing changes
https://bugs.webkit.org/show_bug.cgi?id=111224

* platform/chromium/TestExpectations:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@144512 268f45cc-cd09-0410-ab3c-d52691b4dbfc