This CL changes the APM unittests to use AEC3 instead of
AEC2.
Bug: webrtc:8671
Change-Id: I80f88dbafb7c31696abd8b7efb5a187a9fb30d1c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/129420
Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org>
Commit-Queue: Per Åhgren <peah@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27607}
8607f843a7