[Android, Settings] Fix NPE when both media related site settings are enabled

[Android, Settings] Fix NPE when both media related site settings are enabled

Only look for AUTOPLAY preference if it's the only one enabled.

BUG=618439
TEST=manual

Committed: https://crrev.com/bf6c1f850a7b75b5992d3f99d7a8b3d8f0488b24
Cr-Commit-Position: refs/heads/master@{#398908}

[whywhat, 2016-06-08 20:30:42]

The CQ bit was checked by avayvod@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-06-08 20:31:28]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2052613002/1

[commit-bot: I haz the power, 2016-06-08 22:25:42]

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

[commit-bot: I haz the power, 2016-06-08 22:25:42]

Dry run: This issue passed the CQ dry run.

[whywhat, 2016-06-09 13:53:15]

avayvod@chromium.org changed reviewers:
+ finnur@chromium.org

[whywhat, 2016-06-09 13:53:16]

PTaL

[Finnur, 2016-06-09 15:44:23]

LGTM

[whywhat, 2016-06-09 15:53:44]

Rebased on master

[whywhat, 2016-06-09 15:54:00]

The CQ bit was checked by avayvod@chromium.org

[whywhat, 2016-06-09 15:54:01]

The patchset sent to the CQ was uploaded after l-g-t-m from finnur@chromium.org
Link to the patchset: https://codereview.chromium.org/2052613002/#ps20001
(title: "Rebased on master")

[commit-bot: I haz the power, 2016-06-09 15:54:20]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2052613002/20001

[commit-bot: I haz the power, 2016-06-09 16:35:46]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-06-09 16:40:29]

Description was changed from

==========
[Android, Settings] Fix NPE when both media related site settings are enabled

Only look for AUTOPLAY preference if it's the only one enabled.

BUG=618439
TEST=manual
==========

to

==========
[Android, Settings] Fix NPE when both media related site settings are enabled

Only look for AUTOPLAY preference if it's the only one enabled.

BUG=618439
TEST=manual

Committed: https://crrev.com/bf6c1f850a7b75b5992d3f99d7a8b3d8f0488b24
Cr-Commit-Position: refs/heads/master@{#398908}
==========

[commit-bot: I haz the power, 2016-06-09 16:40:30]

Patchset 2 (id:??) landed as
https://crrev.com/bf6c1f850a7b75b5992d3f99d7a8b3d8f0488b24
Cr-Commit-Position: refs/heads/master@{#398908}