Log Message:
Update to 9.0

Changelog:
PulseAudio 9.0

Changes at a glance:

 * Automatic routing improvements
 * Beamforming and various other new features in the WebRTC echo canceller
 * Various improvements in module-role-cork and module-role-ducking
 * LFE remixing disabled by default
 * memfd-backed shared memory transport
 * Support for sample rates up to 384 kHz
 * webrtc-audio-processing dependency minimum version bumped to 0.2
 * Changed the C standard from C99 to C11.

Detailed change log:

  http://www.freedesktop.org/wiki/Software/PulseAudio/Notes/9.0

Contributors

  Ahmed S. Darwish
  Alexander E. Patrakov
  Arun Raghavan
  Barun Kumar Singh
  David Henningsson
  Deepak Srivastava
  Gabor Kelemen
  Georg Chini
  Jeremy Huddleston Sequoia
  Jonathan Perkin
  Juho Hämäläinen
  Jungsup Lee
  Kamil Rytarowski
  Marcin Lewandowski
  Milo Casagrande
  Muhammet Kara
  Nazar Mokrynskyi
  Peter Meerwald
  Piotr Drąg
  Sachin Kumar Chauhan
  Sangchul Lee
  Tanu Kaskinen
  YunQiang Su