linux: temporarily disable a test due to flakiness.
linux: temporarily disable a test due to flakiness.

Relevant bugs have been filed.

TBR=tony

Review URL: http://codereview.chromium.org/64001

git-svn-id: http://src.chromium.org/svn/trunk/src@13367 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 6d763df0fe8477121ea3a35abf6e79092aeb9113
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