To allow the AudioDeviceModule to be reinitialized on a different thread
after termination, detach AudioDeviceModule and the input/output devices
when Terminate is called. Also destroy the AudioDeviceBuffer.
Bug: webrtc:7452
Change-Id: I50ef77c531f33d4efa0567d0475dd8280337bed9
Reviewed-on: https://webrtc-review.googlesource.com/86127
Reviewed-by: Magnus Jedvert <magjed@webrtc.org>
Commit-Queue: Paulina Hensman <phensman@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23784}