Mark video-source-type as also being flaky on Linux.
Mark video-source-type as also being flaky on Linux.

BUG=35858
TEST=itself

Review URL: http://codereview.chromium.org/976002

git-svn-id: http://src.chromium.org/svn/trunk/src@41624 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 3e3a9a4bd95e99856652cbd82a441f59f7489f0e
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