rebaseline gm self-tests after https://code.google.com/p/skia/source/detail?r=12850

rebaseline gm self-tests after https://code.google.com/p/skia/source/detail?r=12850

The GM self-test's fragility is already noted in https://code.google.com/p/skia/issues/detail?id=1068 ('make gm self-test more robust')

NOTRY=True
NOTREECHECKS=True
R=mtklein@google.com
TBR=mtklein

Author: epoger@google.com

Review URL: https://codereview.chromium.org/112203006

git-svn-id: http://skia.googlecode.com/svn/trunk@12885 2bbb7eff-a529-9590-31e7-b0007b416f81