This CL allows the noise suppressor to use the linear AEC output for analysis whenever that is available. This will potentially lower the risk that the noise suppressor estimates the noise based on echo. The feature is off by default. Bug: webrtc:5298,b:132164318 Change-Id: Idc6c8e197d96209d213819d87a8fb2533b7303ec Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/162900 Reviewed-by: Sam Zackrisson <saza@webrtc.org> Commit-Queue: Per Åhgren <peah@webrtc.org> Cr-Commit-Position: refs/heads/master@{#30116}