[mutter] (4 commits) Non-fast-forward update to branch wip/carlosg/rt-scheduler

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

The branch 'wip/carlosg/rt-scheduler' 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:

  7bee7c6... backends/native: Add rt-scheduler experimental key to set R

Commits added to the branch:

  7738b5c... core/window: Fix copy/paste error in size-changed docs (*)
  7e2a0ed... wayland: Move check for present window out of the actor-sur (*)
  01d0316... wayland/dnd-surface: Propagate commit to parent class (*)
  dae2c1d... backends/native: Add rt-scheduler experimental key to set R

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