Adding stack trace to known crashes list.
Adding stack trace to known crashes list.

Also updating another trace sig to SUBSTRING so that it matches a second relevant trace.

BUG=47439

Review URL: http://codereview.chromium.org/2870024

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@50785 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