Output format change to allow longer durations. BUG=20289 TEST=run media_bench on sonyh2.ogv.  formatting looks bad
Output format change to allow longer durations.
BUG=20289
TEST=run media_bench on sonyh2.ogv.  formatting looks bad

Review URL: http://codereview.chromium.org/173455

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@24425 0039d316-1c4b-4281-b951-d872f2087c98

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