This CL adds a timeout for the detection of the headset mode that
allows it to be entered also for the cases where a headset is
inserted during the call.
Bug: chromium:826720,webrtc:9083
Change-Id: Ic3cb4cc0258997a74eccd1bcdf65765e44016ad8
Reviewed-on: https://webrtc-review.googlesource.com/65240
Reviewed-by: Alessio Bazzica <alessiob@webrtc.org>
Commit-Queue: Per Åhgren <peah@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22658}