This CL changes the behavior of APM for 8 kHz so that it is internally processed as 16 kHz. Bug: webrtc:10863 Change-Id: Ie17de6551c6e984b60534820374a49ca298f06ce Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/148800 Commit-Queue: Per Åhgren <peah@webrtc.org> Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org> Cr-Commit-Position: refs/heads/master@{#28929}