This tests that both the ApplyConfig() and SetRuntimeSetting() route of
APM configuration correctly induce the pre-amplifier gain effect in APM.
Bug: webrtc:11045
Change-Id: Iddaa1c19487c6f68ed6eb1be6913ec2dfd284b04
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/158083
Commit-Queue: Sam Zackrisson <saza@webrtc.org>
Reviewed-by: Alessio Bazzica <alessiob@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29607}