Add another test terminate condition in media perf test. This is to catch the video playing error as early as possible (rather than waiting for timeout). This will prevent my script from occupying buildbot.
Add another test terminate condition in media perf test. This is to catch the video playing error as early as possible (rather than waiting for timeout). This will prevent my script from occupying buildbot.

Review URL: http://codereview.chromium.org/7322015

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@91746 0039d316-1c4b-4281-b951-d872f2087c98

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