[mutter] (4 commits) Non-fast-forward update to branch wip/carlosg/remote-session-checks

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/carlosg/remote-session-checks' 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:

  ffb9328... backends: Ensure remote desktop dbus interface state
  2497ac5... backends: Make uniform checks on remote desktop input dbus 

Commits added to the branch:

  3c068ef... wayland/surface: Simplify state cleanup after merge (*)
  1d5f9b6... backend-x11: Reintroduce XInitThreads (*)
  b165113... backends: Ensure remote desktop dbus interface state
  a097e4c... backends: Make uniform checks on remote desktop input dbus 

(*) This commit already existed in another branch; no separate mail sent