Include Web Notifications on Android at build-time.

Include Web Notifications on Android at build-time.

This increases the size of ChromeShell.apk by 16.8 KiB in
debug builds and 18.7 KiB in release builds.

BUG=90795, 115320
Committed: https://crrev.com/459eb777b9914f375ae246196efbb07ec31ba930
Cr-Commit-Position: refs/heads/master@{#302291}

[Peter Beverloo, 2014-10-31 13:47:56]

peter@chromium.org changed reviewers:
+ dewittj@chromium.org

[Peter Beverloo, 2014-10-31 13:47:56]

Justin: PTAL. I'll add binary size info in a moment.

[dewittj, 2014-10-31 16:19:44]

lgtm

[Peter Beverloo, 2014-10-31 16:25:16]

The CQ bit was checked by peter@chromium.org

[commit-bot: I haz the power, 2014-10-31 16:26:09]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/695853002/20001

[commit-bot: I haz the power, 2014-10-31 18:55:13]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2014-10-31 18:56:39]

Patchset 2 (id:??) landed as
https://crrev.com/459eb777b9914f375ae246196efbb07ec31ba930
Cr-Commit-Position: refs/heads/master@{#302291}