Disabling 2 flacky UI tests.
Disabling 2 flacky UI tests.

TBR=stoyan
BUG=http://crbug.com/14132
Review URL: http://codereview.chromium.org/125153

git-svn-id: http://src.chromium.org/svn/trunk/src@18442 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 3fcf93a07ebcb48a8802afc93a87d4c6eb15b3dc
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