This would simplify migrating from PeerConnectionFactoryDependencies::audio_processing for users who use own implementation of the AudioProcessing Bug: webrtc:369904700 Change-Id: Id05f7280fd01a3e8fd4953f1b24b2467335ab065 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/366120 Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Cr-Commit-Position: refs/heads/main@{#43273}