[gnome-music] (9 commits) Non-fast-forward update to branch wip/mschraal/file-exists-async

[Marinus Schraal <mschraal src gnome org>]

The branch 'wip/mschraal/file-exists-async' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  168ae84... fileexistsasync: Async version of file_exists
  4da99ef... artistart: Make file exists check async
  2fb1415... albumart: Make file exists check async
  3f9c598... songart: Make file exists check async
  951820c... Reset I/O priorities
  99af0ad... lower priorities
  f8f8bc9... grltrackerwrapper: Bump Grilo priority
  7710d1a... artcache/storeart: Emit signal emission after I/O finish
  2d82367... asyncqueue: Add debug logging

Commits added to the branch:

  b398557... fileexistsasync: Async version of file_exists
  7e2fe3d... artistart: Make file exists check async
  12195f7... albumart: Make file exists check async
  470f3ab... songart: Make file exists check async
  2610bd8... Rework I/O priorities slightly
  63f32e1... grltrackerwrapper: Bump Grilo priority
  c0a6211... artcache/storeart: Emit signal emission after I/O finish
  adfeaf3... asyncqueue: Add debug logging
  1d26b24... flatpak: Use grilo-plugins fix