
This change introduces a new kStopped enumeration value to RtpTransceiverDirection, preparing for later CLs which implement RTP header extension control, https://chromestatus.com/feature/5680189201711104. The new enumeration value is unused in the code. Intent to prototype: https://groups.google.com/a/chromium.org/g/blink-dev/c/65YdUi02yZk Bug: chromium:980879 Change-Id: Id8cab9891236884542689fbf1b300e64a2cb636d Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/170050 Commit-Queue: Markus Handell <handellm@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#30756}