The audio processing module reports the metrics 'echo return loss'
and 'echo return loss enhancement' for AEC3 via the old, soon to be
replaced, GetStatistics fuction.
Bug: webrtc:8533
Change-Id: I6b2286b5cdf8f20ebf14f82f1180f6bfb6c00c68
Reviewed-on: https://webrtc-review.googlesource.com/25642
Commit-Queue: Gustaf Ullberg <gustaf@webrtc.org>
Reviewed-by: Henrik Lundin <henrik.lundin@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20869}
09b9faed53