Pushing it to the list of extensions to negotiate could result in enabling it in production. BUG=None Change-Id: I98599e9fbac7e2b81b3f2ad0c7759bb052d9d9d1 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/306101 Commit-Queue: Philipp Hancke <phancke@microsoft.com> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/main@{#40250}