Follow up https://webrtc-review.googlesource.com/c/src/+/228247. Turned out "#elif defined(WEBRTC_MAC) && defined(WEBRTC_ARCH_ARM64) // M1 Mac" branch was unreachable Bug: webrtc:13053 Change-Id: Icf1aa5147347a1fad0dce8cca893bb3c598f658e Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/228381 Reviewed-by: Henrik Lundin <henrik.lundin@webrtc.org> Commit-Queue: Andrey Logvin <landrey@webrtc.org> Cr-Commit-Position: refs/heads/master@{#34699}