Cleanup steps for the Connection class have changed as of: https://webrtc-review.googlesource.com/c/src/+/249941 However, it turns out that the PortTest suite still needs it, so the workaround has migrated to there. Bug: none Change-Id: Ia68f47b6c65b3a8fd5e8c04d70a43d15ba1a6422 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/250223 Reviewed-by: Niels Moller <nisse@webrtc.org> Commit-Queue: Tomas Gunnarsson <tommi@webrtc.org> Cr-Commit-Position: refs/heads/main@{#35894}