Revert of Telemetry: Re-enable ServiceWorkerPerfTest, increase timeout for VideoRecorder.IsStarted

Revert of Telemetry: Re-enable ServiceWorkerPerfTest, increase timeout for VideoRecorder.IsStarted (patchset #1 id:1 of https://codereview.chromium.org/1093923004/)

Reason for revert:
It still times out:
http://build.chromium.org/p/chromium.perf/builders/Android%20One%20Perf/builds/615/steps/service_worker.service_worker/logs/stdio

Original issue's description:
> Telemetry: Re-enable ServiceWorkerPerfTest, increase timeout for VideoRecorder.IsStarted
>
> ServiceWorkerPerfTest was failing on Android One, due to timeouts of
> VideoRecorder.IsStarted(). This patch attempts to fix this by increasing
> the timeout from 5 seconds to 10 seconds, and re-enable the test.
>
> BUG=469841
> TEST=tools/perf/run_benchmark --browser=trybot-all-android service_worker.service_worker
>
> Committed: https://crrev.com/42ce01867659573b37b46df12a3db18ba26674b9
> Cr-Commit-Position: refs/heads/master@{#326820}

TBR=sullivan@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=469841
Committed: https://crrev.com/a135a4bf44b38dfe742303c97281f1ba0e092b44
Cr-Commit-Position: refs/heads/master@{#327005}

[Kunihiko Sakamoto, 2015-04-27 06:41:14]

Created Revert of Telemetry: Re-enable ServiceWorkerPerfTest, increase timeout
for VideoRecorder.IsStarted

[commit-bot: I haz the power, 2015-04-27 06:41:18]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1099033005/1

[commit-bot: I haz the power, 2015-04-27 06:41:42]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-04-27 06:42:45]

Patchset 1 (id:??) landed as
https://crrev.com/a135a4bf44b38dfe742303c97281f1ba0e092b44
Cr-Commit-Position: refs/heads/master@{#327005}