Revert of Disable benchmarks failing due to AdbShellCommandFailedError.

Revert of Disable benchmarks failing due to AdbShellCommandFailedError. (patchset #1 id:1 of https://codereview.chromium.org/1069223002/)

Reason for revert:
Revert since fix has been landed in BUG=474696
BUG=475510
Original issue's description:
> Disable benchmarks failing due to AdbShellCommandFailedError.
>
> BUG=474696
>
> Committed: https://crrev.com/9228e12295ebabcd45d0a0d103a35a69db0c6919
> Cr-Commit-Position: refs/heads/master@{#324239}

TBR=dtu@chromium.org,aiolos@chromium.org
BUG=474696
Committed: https://crrev.com/a3a622d961b41d13c23e59846426077b41948fb7
Cr-Commit-Position: refs/heads/master@{#324529}

[nednguyen, 2015-04-09 20:02:58]

Created Revert of Disable benchmarks failing due to AdbShellCommandFailedError.

[nednguyen, 2015-04-09 20:03:15]

The CQ bit was checked by nednguyen@google.com

[commit-bot: I haz the power, 2015-04-09 20:04:03]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1055083003/1

[dtu, 2015-04-09 22:47:50]

lgtm

[commit-bot: I haz the power, 2015-04-09 22:53:57]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-04-09 22:55:00]

Patchset 1 (id:??) landed as
https://crrev.com/a3a622d961b41d13c23e59846426077b41948fb7
Cr-Commit-Position: refs/heads/master@{#324529}