deadbeef 8e814d7906 Provide better message for when RTCP mux "require" policy is triggered.
Previously: Failed to setup RTCP mux filter.
Now: rtcpMuxPolicy is 'require', but media description does not
     contain 'a=rtcp-mux'.

BUG=webrtc:6966

Review-Url: https://codereview.webrtc.org/2622553003
Cr-Commit-Position: refs/heads/master@{#16062}
2017-01-13 19:34:39 +00:00
..