Mark keyboard access tests as flaky until I figure out why they're not running on the Interactive Tests buildbot.
Mark keyboard access tests as flaky until I figure out why they're
not running on the Interactive Tests buildbot.

BUG=http://crbug.com/39213
TEST=none
TBR=maruel

Review URL: http://codereview.chromium.org/1233005

git-svn-id: http://src.chromium.org/svn/trunk/src@42526 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 6bbd14724f3f8f9ff4fba445e8c2b857ec9c5745
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