OpenSL (not default): Enables low latency audio on Android.

BUG=1669
R=andrew@webrtc.org, fischman@webrtc.org, niklas.enbom@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/2032004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@4719 4adac7df-926f-26a2-2b94-8c16560cd09d
29 files changed