When Unified Plan semantics are set, PeerConnection will fire OnAddTrack
according to the WebRTC spec. OnRemoveTrack will never be fired and will
be deprecated in the future.
Bug: webrtc:7600
Change-Id: Idfaada65b795b5fb9fe4844cff036d52ea90da17
Reviewed-on: https://webrtc-review.googlesource.com/38122
Commit-Queue: Steve Anton <steveanton@webrtc.org>
Reviewed-by: Taylor Brandstetter <deadbeef@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#21564}