GTTF: flip FastShutdown.SlowTermination from FAILS to FLAKY on Linux, because it is flaky.
GTTF: flip FastShutdown.SlowTermination from FAILS to FLAKY
on Linux, because it is flaky.

TBR=estade

TEST=FastShutdown.SlowTermination
BUG=46614

Review URL: http://codereview.chromium.org/2825069

git-svn-id: http://src.chromium.org/svn/trunk/src@53679 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 6f3fc685c54fadc19badef5334d49b2dbcefdafe
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