Harald Alvestrand c869266b10 Revert "Convert P2PTransportChannel Candidate Pair Change to CallbackList"
This reverts commit dc43cb24bd8ee85d6a8224c5928ceaf90de729b6.

Reason for revert: Converted the wrong signal, should have been GatheringState.

Original change's description:
> Convert P2PTransportChannel Candidate Pair Change to CallbackList
>
> 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}

Bug: webrtc:11943
Change-Id: I73d5d815ced8d7aef4df765c9cf54d7637c6769d
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/348220
Commit-Queue: Harald Alvestrand <hta@webrtc.org>
Bot-Commit: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#42129}
2024-04-20 10:36:46 +00:00
..
2024-03-12 10:57:56 +00:00