Introduce a config struct for AudioCoding module

The config struct currently contains the module ID, and the NetEq
config struct, but will be extended in the future. The purpose of this
change is to expose certain NetEq settings to the ACM interface.

BUG=3083
R=turaj@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/13379004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@5993 4adac7df-926f-26a2-2b94-8c16560cd09d
7 files changed