Temporarily disable failing ui tests on linux.
Temporarily disable failing ui tests on linux.

TBR=cpu

Review URL: http://codereview.chromium.org/100348

git-svn-id: http://src.chromium.org/svn/trunk/src@15229 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: b44e7bf2ae66df6b3fbf217b6a40bf1c52937cf6
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