[ANNOUNCE] WebRTC AudioProcessing v2.1

[Arun Raghavan]

Hi folks,
I just pushed out a v2.1, with some fixes for missing headers, a missing absl dep, and some other patches from before that got dropped in the in M131 bump.

tarball: http://freedesktop.org/software/pulseaudio/webrtc-audio-processing/webrtc-audio-processing-2.1.tar.xz
sha256sum: ae9302824b2038d394f10213cab05312c564a038434269f11dbf68f511f9f9fe

Cheers,
Arun