Intended to be used in downstream code when deleting deleting this
attribute.
Bug: webrtc:11607
Change-Id: I39417997a2ec2e72d726da476b5bce88abe267b6
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/267843
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#37445}