Remove channel restrictions for the CAEDT promo.

Remove channel restrictions for the CAEDT promo.
Enable the promotion for the Chrome Apps and Extensions Developer Tool in all
channels.
BUG=365219
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=271748

[Finnur, 2014-05-20 12:53:12]

Sorry for the late reply. Didn't see this yesterday, for some reason.

LGTM.

[Devlin, 2014-05-20 15:33:13]

The CQ bit was checked by rdevlin.cronin@chromium.org

[commit-bot: I haz the power, 2014-05-20 15:33:29]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/rdevlin.cronin@chromium.org/296503003/1

[commit-bot: I haz the power, 2014-05-20 18:45:59]

FYI, CQ is re-trying this CL (attempt #1).
Please consider checking whether the failures are real,
and report flakes to chrome-troopers@google.com.
The failing builders are:
  linux_chromium_chromeos_rel on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/linux_chromium_chrome...)

[commit-bot: I haz the power, 2014-05-20 19:49:44]

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

[commit-bot: I haz the power, 2014-05-20 19:49:44]

Try jobs failed on following builders:
  linux_chromium_chromeos_rel on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/linux_chromium_chrome...)

[Devlin, 2014-05-20 19:57:58]

The CQ bit was checked by rdevlin.cronin@chromium.org

[commit-bot: I haz the power, 2014-05-20 19:58:26]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/rdevlin.cronin@chromium.org/296503003/1

[commit-bot: I haz the power, 2014-05-20 21:13:30]

Change committed as 271748