Better error treatment in NetEqImpl::InsertPacketInternal()

BUG=webrtc:1364
R=turaj@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/1844004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@4493 4adac7df-926f-26a2-2b94-8c16560cd09d
3 files changed