Get the encoder queue in init instead of the constructor. The
constructor is not always called on the same thread as init. The
encoder may also be reinitialized on a different thread.
Bug: webrtc:7760
Change-Id: I32a025a8bdf652ab019ac4c2ffc6be1533008925
Reviewed-on: https://webrtc-review.googlesource.com/5480
Reviewed-by: Magnus Jedvert <magjed@webrtc.org>
Commit-Queue: Sami Kalliomäki <sakal@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20074}
a265da4082