Earlier attempts have shown that this signal is multiply listened to.
Bug: webrtc:11943
Change-Id: If9130a7f4c70714b5afda5aca0469b66c8e2612f
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/347981
Reviewed-by: Tomas Gunnarsson <tommi@webrtc.org>
Commit-Queue: Harald Alvestrand <hta@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#42124}