This CL changes the AGC saturation detection so that saturations only
in one mic channel is counted equally bad as saturations in more than
one channel.
Bug: webrtc:10859
Change-Id: I3cf9fce17c2dd51a70365cc408fe6276944b4b19
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/159021
Reviewed-by: Sam Zackrisson <saza@webrtc.org>
Commit-Queue: Per Åhgren <peah@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29731}