This CL separates the NLP gain computation for the different variants
of echo estimation. This simplifies the setting of tuning
parameters, with resulting transparency improvements and increased
echo removal performance.
Bug: webrtc:8359
Change-Id: I9b97064396fb6f6e2f418ce534573f68694390a1
Reviewed-on: https://webrtc-review.googlesource.com/7613
Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org>
Commit-Queue: Per Åhgren <peah@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20209}