make ignored-tests.txt specify full test name, not partial name

BUG=skia:2022
R=bsalomon@google.com

Author: epoger@google.com

Review URL: https://codereview.chromium.org/136883006

git-svn-id: http://skia.googlecode.com/svn/trunk@13060 2bbb7eff-a529-9590-31e7-b0007b416f81
17 files changed