Rebaseline Skia suppressions.

BUG=304146
TBR=robertphillips@google.com

Review URL: https://codereview.chromium.org/26253002

git-svn-id: svn://svn.chromium.org/blink/trunk@159026 bbb929c8-8fbe-4397-9dbb-9b2b20218538