[mutter] (12 commits) ...backends: Keep cursor hidden on tablet input on Wayland

[Marge Bot <marge-bot src gnome org>]

Summary of changes:

  f2ff9dc... backends: Unify cursor visibility checks (*)
  a88c9b9... wayland: Use default cursor on tablet tools (*)
  3ab5917... backends/native: Fix cursor renderer assignment for tablet  (*)
  ecafc48... backends: Move function definitions (*)
  9708d04... backends: Check for updates in the last used device after d (*)
  4e85e0e... core: Drop handling of updates to the last used device (*)
  d72bacb... backends/x11: Drop handling of XI_DeviceChange (*)
  f852e5a... backends: Make meta_backend_update_last_device() private (*)
  f5c0bcb... backends: Split handling of pointer visibility on events (*)
  13330f3... backends: Add private call to update MetaBackend from a dev (*)
  a870e6b... backends/x11: Update MetaBackend on ClutterEvent processing (*)
  d90adfe... backends: Keep cursor hidden on tablet input on Wayland (*)

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