Stop writing out XPS baselines until we resolve skia issue 455

BUG=455
TBR=bungeman
Review URL: https://codereview.appspot.com/5554052

git-svn-id: http://skia.googlecode.com/svn/trunk@3068 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed