This CL adds functionality for applying an optional fixed delay in AEC3 to the capture signal Bug: webrtc:9647 Change-Id: Id3b3f896bcf203e6611298dc804c3c80da9f1883 Reviewed-on: https://webrtc-review.googlesource.com/95142 Commit-Queue: Per Åhgren <peah@webrtc.org> Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org> Cr-Commit-Position: refs/heads/master@{#24399}