[mutter] (21 commits) Non-fast-forward update to branch wip/carlosg/paint-volume-on-queue-redraw

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/carlosg/paint-volume-on-queue-redraw' 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:

  3d8938c... clutter: Add ClutterPaintVolume argument to ClutterActor::q

Commits added to the branch:

  5688f1c... Updated Spanish translation (*)
  00ca387... keybindings: Add flag param to grab_accelerator (*)
  1c2e8fc... keybinding: Store flags in MetaKeyGrab (*)
  4e751a3... Update Brazilian Portuguese translation (*)
  79f90c1... MetaPluginManager: Don't return void value (*)
  1c67260... monitor-unit-tests: initial crtcs in custom_lid_switch (*)
  f4f823f... monitor-config-manager: reuse old CRTC when possible (*)
  6975c8b... monitor-config-manager: respect other outputs' CRTC (*)
  fca0e6a... Bump version to 3.31.91 (*)
  9e1c8e2... Update Italian translation (*)
  ef21537... idle-monitor: Fix duplicate return value of ResetIdletime c (*)
  22a296f... wayland/dma-buf: Don't use API meant for MetaWaylandSurface (*)
  944a476... cursor-renderer/native: Clear active CRTC gbm_bo when destr (*)
  d2f1edd... wayland/surface: Process damage also for non-actor surfaces (*)
  252e64a... wayland: Move surface texture ownership to MetaWaylandSurfa (*)
  2c1ab8b... renderer/native: Remove legacy non-stage-view code (*)
  979e689... renderer/native: Retry page flip after one vsync if EBUSY (*)
  ddd2ce3... wayland/buffer: Fall back to CoglTexture2DSliced (*)
  803ffc1... shaped-texture: Clean-up deprecated NPOT check (*)
  8a9a78e... wayland: Check whether Xwayland window had a prior surface  (*)
  55d168d... clutter: Add ClutterPaintVolume argument to ClutterActor::q

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