
This fixes a potential crash if interrupted before the audio unit has been initialized. Bug: None Change-Id: Ib9f5ea305c98a172f8df52af5767c8543e59701c Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/136800 Reviewed-by: Henrik Andreassson <henrika@webrtc.org> Reviewed-by: Kári Helgason <kthelgason@webrtc.org> Commit-Queue: Kári Helgason <kthelgason@webrtc.org> Cr-Commit-Position: refs/heads/master@{#27937}