Update iOS AppRTCDemo to use level controller.

Update iOS AppRTCDemo to use level controller.

NOTRY=True
BUG=

Committed: https://crrev.com/ab1293ad76cea8bb3cbed68ae57b1fc32e7ea4bc
Cr-Commit-Position: refs/heads/master@{#13977}

[tkchin_webrtc, 2016-08-30 19:00:03]

Description was changed from

==========
Update iOS AppRTCDemo to use level controller.

BUG=
==========

to

==========
Update iOS AppRTCDemo to use level controller.

BUG=
==========

[tkchin_webrtc, 2016-08-30 19:00:03]

tkchin@webrtc.org changed reviewers:
+ haysc@webrtc.org, peah@webrtc.org

[Chuck, 2016-08-30 19:25:30]

lgtm

[tkchin_webrtc, 2016-08-30 19:27:35]

Description was changed from

==========
Update iOS AppRTCDemo to use level controller.

BUG=
==========

to

==========
Update iOS AppRTCDemo to use level controller.

NOTRY=True
BUG=
==========

[tkchin_webrtc, 2016-08-30 19:27:41]

The CQ bit was checked by tkchin@webrtc.org

[commit-bot: I haz the power, 2016-08-30 19:27:48]

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

[commit-bot: I haz the power, 2016-08-30 19:35:08]

Description was changed from

==========
Update iOS AppRTCDemo to use level controller.

NOTRY=True
BUG=
==========

to

==========
Update iOS AppRTCDemo to use level controller.

NOTRY=True
BUG=
==========

[commit-bot: I haz the power, 2016-08-30 19:35:09]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-08-30 19:35:17]

Description was changed from

==========
Update iOS AppRTCDemo to use level controller.

NOTRY=True
BUG=
==========

to

==========
Update iOS AppRTCDemo to use level controller.

NOTRY=True
BUG=

Committed: https://crrev.com/ab1293ad76cea8bb3cbed68ae57b1fc32e7ea4bc
Cr-Commit-Position: refs/heads/master@{#13977}
==========

[commit-bot: I haz the power, 2016-08-30 19:35:18]

Patchset 2 (id:??) landed as
https://crrev.com/ab1293ad76cea8bb3cbed68ae57b1fc32e7ea4bc
Cr-Commit-Position: refs/heads/master@{#13977}