Add script to help rebaseline gm self-tests, and run it right now
BUG=https://code.google.com/p/skia/issues/detail?id=995
TBR=rmistry
Review URL: https://codereview.appspot.com/6887046

git-svn-id: http://skia.googlecode.com/svn/trunk@6683 2bbb7eff-a529-9590-31e7-b0007b416f81
12 files changed