This change implements the methods in VideoTrackSourceInterface
that are related to encoded output.
Bug: chromium:1013590
Change-Id: Id9ddbc00a7098e9b44cee1517c69002865a5fb33
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/159926
Commit-Queue: Markus Handell <handellm@webrtc.org>
Reviewed-by: Per Kjellander <perkj@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29912}