Zeke Chin 615fabb661 Add looping sound button to AppRTCDemo
This exposes the issue where AVAudioPlayer will stop playing when the
VoiceProcessing I/O audio unit is initialized.

BUG=
R=haysc@webrtc.org, henrika@webrtc.org

Review URL: https://codereview.webrtc.org/1710053004 .

Cr-Commit-Position: refs/heads/master@{#11750}
2016-02-24 18:58:58 +00:00

873 KiB