Enable telemetry unittests on Mac 10.9

Enable telemetry unittests on Mac 10.9

The tests were fixed in https://codereview.chromium.org/789853003

BUG=423688
Committed: https://crrev.com/e0fe19f3e05e83e820be8a8e2850853bc0434b21
Cr-Commit-Position: refs/heads/master@{#307522}

[tonyg, 2014-12-09 16:45:46]

tonyg@chromium.org changed reviewers:
+ tonyg@chromium.org

[tonyg, 2014-12-09 16:45:46]

lgtm

Fingers crossed this time

[sullivan, 2014-12-09 16:46:26]

The CQ bit was checked by sullivan@chromium.org

[commit-bot: I haz the power, 2014-12-09 16:47:09]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/779943004/1

[commit-bot: I haz the power, 2014-12-09 16:51:37]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-12-09 16:51:38]

Try jobs failed on following builders:
  chromium_presubmit on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)

[sullivan, 2014-12-09 16:58:19]

sullivan@chromium.org changed reviewers:
+ phajdan.jr@chromium.org

[sullivan, 2014-12-09 16:58:19]

phajdan.jr, can do an owners review?

This is reverting https://codereview.chromium.org/706703003, but since there so
many reverts and re-lands of that CL, preparing a new one to clarify what this
does.

[Paweł Hajdan Jr., 2014-12-09 19:32:13]

LGTM

[sullivan, 2014-12-09 19:36:24]

The CQ bit was checked by sullivan@chromium.org

[commit-bot: I haz the power, 2014-12-09 19:37:36]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/779943004/1

[commit-bot: I haz the power, 2014-12-09 19:45:38]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-12-09 19:46:13]

Patchset 1 (id:??) landed as
https://crrev.com/e0fe19f3e05e83e820be8a8e2850853bc0434b21
Cr-Commit-Position: refs/heads/master@{#307522}

[sullivan, 2014-12-09 21:35:17]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/792683002/ by sullivan@chromium.org.

The reason for reverting is: Tests fail with a different error..