This CL ensures that the AECm is only created when needed.
The changes in the CL are bitexact when running AECm via
audioproc_f
The CL also corrects an issue where there is a risk for
AEC2 to not be correctly setup when the sample rate
changes inbetween activations.
Bug: webrtc:8671
Change-Id: Id3b33e20969b1543e28c885d47495246cfbe549d
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/134216
Commit-Queue: Per Åhgren <peah@webrtc.org>
Reviewed-by: Sam Zackrisson <saza@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27800}