The wrapping ICE controller will allow existing ICE controller implementations to migrate to the active interface, and eventually deprecate the legacy interface.
Follow-up CL has unit tests for P2PTransportChannel using the new wrapping controller.
Bug: webrtc:14367, webrtc:14131
Change-Id: I6c517449ff1e503e8268a7ef91afda793723fdeb
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/275302
Reviewed-by: Per Kjellander <perkj@webrtc.org>
Reviewed-by: Jonas Oreland <jonaso@webrtc.org>
Commit-Queue: Sameer Vijaykar <samvi@google.com>
Cr-Commit-Position: refs/heads/main@{#38130}
