logical 'and' of mutually exclusive tests is always false in ViECodecImpl::CodecValid()

BUG = Issue1283
Review URL: https://webrtc-codereview.appspot.com/1013008

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@3371 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed