- Rename VoiceChannel::MuteStream() -> SetAudioSend() (incl. media channel)
- Rename VideoChannel::MuteStream() -> SetVideoSend() (incl. media channel)
- Collapse NnChannel::SetChannelOptions() into the above.
- Collapse VoiceChannel::SetLocalRenderer into SetAudioSend().

BUG=webrtc:4690

Review URL: https://codereview.webrtc.org/1311533009

Cr-Commit-Position: refs/heads/master@{#9915}
11 files changed