Propagated orthogonal API for decoding with errors from VideoCodingModule to VCMJitterBuffer. Modified VCMJitterBuffer to allow three error modes: kNoErrors, kSelectiveErrors, kWithErrors. R=marpan@google.com, mikhal@webrtc.org Review URL: https://webrtc-codereview.appspot.com/1846004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@4463 4adac7df-926f-26a2-2b94-8c16560cd09d