Will also ensure that full-duplex audio now works on iOS simulators. Bug: b/37580746 Change-Id: Iab1af39b0e6e6c124435814558caf77c474bd612 Reviewed-on: https://chromium-review.googlesource.com/519246 Commit-Queue: Henrik Andreasson <henrika@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#18381}