The introduction of the new AEC proxies caused audioproc_f to fail. This CL corrects audioproc_f so that the AEC2 and AECM echo cancellers are properly activated using the new AEC proxies. Bug: webrtc:9535 Change-Id: I48b9deaad873aee597f56ebd33814420024e0d58 Reviewed-on: https://webrtc-review.googlesource.com/95645 Reviewed-by: Per Åhgren <peah@webrtc.org> Commit-Queue: Gustaf Ullberg <gustaf@webrtc.org> Cr-Commit-Position: refs/heads/master@{#24405}