[Libva] [ANNOUNCE] libva 1.7.3

[Xiang, Haihao]

Hi all,

Libva 1.7.3 is now available at 
http://www.freedesktop.org/software/vaapi/releases/libva/

* Bump VA API version to 0.39.4
* API: add support for bitrate control per temporal layer
* API: update the usage for framerate in VAEncMiscParameterFrameRate to
  support non-integer frame-rate
* Add has_prime_sharing flag in VADriverVTableWayland to indicate if  
  buffer sharing with prime fd can be used in the backend driver

git tag: libva-1.7.3

https://www.freedesktop.org/software/vaapi/releases/libva/libva-1.7.3.t
ar.bz2

sha1sum 18e46f3d5a0e971eb0ec9fe14bc021e69eb13fb8  libva-1.7.3.tar.bz2

Thanks
Haihao