This CL allows the user to have more refined control over what band splitting-scheme is used inside the audio processing module. Bug: webrtc:6181 Change-Id: I236c3b1f96ab80cc4ffb8c39c045c034764567a1 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/152480 Commit-Queue: Per Åhgren <peah@webrtc.org> Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org> Cr-Commit-Position: refs/heads/master@{#29189}