PeerConnectionInterface.
This allows the implementations of PeerConnectionInterface to deprecate
this method.
Bug: None
Change-Id: I54b56206ebac2486f112e09137c9def225683297
Reviewed-on: https://webrtc-review.googlesource.com/89261
Reviewed-by: Steve Anton <steveanton@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24011}