update comments within expectations/gm/ignored-tests.txt

(SkipBuildbotRuns)
NOTREECHECKS=True
NOTRY=True
R=reed@android.com
TBR=reed

Author: epoger@google.com

Review URL: https://codereview.chromium.org/179023004

git-svn-id: http://skia.googlecode.com/svn/trunk@13593 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed