Disable testRestoreBrowserWithMultipleTabs on Mac

Disable testRestoreBrowserWithMultipleTabs on Mac

It's failing on Mac 10.9 debug builds: http://build.chromium.org/p/chromium.mac/builders/Mac10.9%20Tests%20%28dbg%29/builds/936/steps/telemetry_unittests/logs/stdio

BUG=

Committed: https://crrev.com/b70de227c32ec37b69d07e90ab3e82293f7a8f2d
Cr-Commit-Position: refs/heads/master@{#307750}

[sullivan, 2014-12-10 18:29:33]

sullivan@chromium.org changed reviewers:
+ dtu@chromium.org, tonyg@chromium.org

[sullivan, 2014-12-10 18:29:33]

Not sure if there is a better way to handle this failure, or a narrower way to
disable? It only fails on 10.9 debug

[tonyg, 2014-12-10 19:17:28]

The CQ bit was checked by tonyg@chromium.org

[tonyg, 2014-12-10 19:17:29]

lgtm

[commit-bot: I haz the power, 2014-12-10 19:18:49]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/790253002/1

[commit-bot: I haz the power, 2014-12-10 19:45:26]

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

[commit-bot: I haz the power, 2014-12-10 19:45:27]

Try jobs failed on following builders:
  linux_chromium_compile_dbg_32_ng on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[sullivan, 2014-12-10 19:46:52]

The CQ bit was checked by sullivan@chromium.org

[commit-bot: I haz the power, 2014-12-10 19:47:47]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/790253002/1

[commit-bot: I haz the power, 2014-12-10 20:37:07]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-12-10 20:38:05]

Patchset 1 (id:??) landed as
https://crrev.com/b70de227c32ec37b69d07e90ab3e82293f7a8f2d
Cr-Commit-Position: refs/heads/master@{#307750}