[gtk] (3 commits) Non-fast-forward update to branch master.win32

[Chun-wei Fan <fanchunwei src gnome org>]

The branch 'master.win32' 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:

  d9c9d7f... gdkvulkancontext-win32.c: Implement ->begin_frame()

Commits added to the branch:

  4475a94... gdksurface-win32.c: Add function to handle queued moves/res
  6cc01ec... gdk[cairo|gl]context-win32.c: Use gdk_win32_surface_apply_m
  5e710b0... gdkvulkancontext-win32.c: Implement ->begin_frame()