Widen some flakiness exclusions.
Widen some flakiness exclusions.

BUG=9798, 13907, 14207
TEST=none
Review URL: http://codereview.chromium.org/259048

git-svn-id: http://src.chromium.org/svn/trunk/src@28025 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 1010fc0179044741d92f2236db715a2a097565f0
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser