Add back into test_expectations.txt a couple of tests that are apparently still flaky.
Add back into test_expectations.txt a couple of tests that are apparently still flaky.

BUG=9798
BUG=14767
TEST=less flakiness on the layout test buildbots

Review URL: http://codereview.chromium.org/171123

git-svn-id: http://src.chromium.org/svn/trunk/src@25235 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: c3ea73c4b226a20f5a52081840d2c9fe70d7d491
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