webrtcdsp: Update code for webrtc-audio-processing-1
Copied from https://gitlab.freedesktop.org//gstreamer/gst-plugins-bad/-/merge_requests/2341
Updated API usage appropriately, and now we have a versioned package to track breaking vs. non-breaking updates.
Deprecates a number of properties (and we have to plug in our own values for related enums which are now gone):
- echo-suprression-level
- experimental-agc
- extended-filter
- delay-agnostic
- voice-detection-frame-size-ms
- voice-detection-likelihood
Part-of: gst-plugins-bad!1850 (closed)