pulseaudio: 8.0 -> 9.0

This also updates webrtc-audio-processing from 0.1 -> 0.3 as mentionened
in [1].

Release notes can be seen in [1].

[1]: https://www.freedesktop.org/wiki/Software/PulseAudio/Notes/9.0/

pkgs/development/libraries/webrtc-audio-processing/default.nix

···
 { stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
-  name = "webrtc-audio-processing-0.1";
+  name = "webrtc-audio-processing-0.3";
 
   src = fetchurl {
     url = "http://freedesktop.org/software/pulseaudio/webrtc-audio-processing/${name}.tar.xz";
-    sha256 = "1p7yg8n39wwdfr52br2dq3bh8iypfx9md99mh1i9g2v8qbwm4jzd";
+    sha256 = "1yl0187xjh1j2zkb7v9cs9i868zcaj23pzn4a36qhzam9wfjjvkm";
   };
 
   meta = with stdenv.lib; {

pkgs/servers/pulseaudio/default.nix

···
 
 stdenv.mkDerivation rec {
   name = "${if libOnly then "lib" else ""}pulseaudio-${version}";
-  version = "8.0";
+  version = "9.0";
 
   src = fetchurl {
     url = "http://freedesktop.org/software/pulseaudio/releases/pulseaudio-${version}.tar.xz";
-    sha256 = "128rrlvrgb4ia3pbzipf5mi6nvrpm6zmxn5r3bynqiikhvify3k9";
+    sha256 = "11j682g2mn723sz3bh4i44ggq29z053zcggy0glzn63zh9mxdly3";
   };
 
   patches = [ ./caps-fix.patch ];