Mark AutomationProxyTest.AppModalDialogTest as flaky.
Mark AutomationProxyTest.AppModalDialogTest as flaky.

TBR=thestig
BUG=25039
TEST=AutomationProxyTest.AppModalDialogTest

Review URL: http://codereview.chromium.org/3431015

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@59911 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser