iOS counterpart of https://webrtc-review.googlesource.com/c/src/+/91440. Bug: webrtc:9597 Change-Id: Iba426dc3b8acec3c90996ffa012d5dfc833c16f5 Reviewed-on: https://webrtc-review.googlesource.com/102260 Reviewed-by: Anders Carlsson <andersc@webrtc.org> Commit-Queue: Rasmus Brandt <brandtr@webrtc.org> Cr-Commit-Position: refs/heads/master@{#24857}