Disable ExtensionApiTest.Messaging for OS_MACOSX as it is timeout/flaky

Disable ExtensionApiTest.Messaging for OS_MACOSX as it is timeout/flaky

BUG=681705
TBR=rdevlin.cronin@chromium.org

Review-Url: https://codereview.chromium.org/2639473002
Cr-Commit-Position: refs/heads/master@{#443975}
Committed: https://chromium.googlesource.com/chromium/src/+/987e893acb7c289d99efbdcabdeec5c8481685b1

[meade_UTC10, 2017-01-17 02:16:53]

meade@chromium.org changed reviewers:
+ alancutter@chromium.org

[meade_UTC10, 2017-01-17 02:18:43]

cc'ing other extensions folks

[alancutter (OOO until 2018), 2017-01-17 02:19:28]

lgtm

[meade_UTC10, 2017-01-17 02:20:24]

The CQ bit was checked by meade@chromium.org

[commit-bot: I haz the power, 2017-01-17 02:20:35]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-01-17 02:56:35]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1484619624713810, "parent_rev":
"28b3296d10b12eedd7cb0d12f1f2b5f5d93ba3c7", "commit_rev":
"987e893acb7c289d99efbdcabdeec5c8481685b1"}

[commit-bot: I haz the power, 2017-01-17 02:57:04]

Description was changed from

==========
Disable ExtensionApiTest.Messaging for OS_MACOSX as it is timeout/flaky

BUG=681705
TBR=rdevlin.cronin@chromium.org
==========

to

==========
Disable ExtensionApiTest.Messaging for OS_MACOSX as it is timeout/flaky

BUG=681705
TBR=rdevlin.cronin@chromium.org

Review-Url: https://codereview.chromium.org/2639473002
Cr-Commit-Position: refs/heads/master@{#443975}
Committed:
https://chromium.googlesource.com/chromium/src/+/987e893acb7c289d99efbdcabdee...
==========

[commit-bot: I haz the power, 2017-01-17 02:57:05]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/987e893acb7c289d99efbdcabdee...