mtk: Move MetaMonitorTransform to Mtk

This makes it possible to use MtkMonitorTransform in Clutter which will
be used to track the transform in ClutterStageView.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3930>

src/backends/native/meta-kms-cursor-manager.h

@@ -20,10 +20,10 @@
 #include <glib-object.h>
 #include <graphene.h>
 
-#include "backends/meta-monitor-transform.h"
 #include "backends/native/meta-backend-native-types.h"
 #include "backends/native/meta-kms-types.h"
 #include "core/util-private.h"
+#include "mtk/mtk.h"
 
 typedef struct _MetaKmsCrtcLayout
 {
@@ -54,7 +54,7 @@ void meta_kms_cursor_manager_position_changed_in_input_impl (MetaKmsCursorManage
 void meta_kms_cursor_manager_update_sprite (MetaKmsCursorManager   *cursor_manager,
                                             MetaKmsCrtc            *crtc,
                                             MetaDrmBuffer          *buffer,
-                                            MetaMonitorTransform    transform,
+                                            MtkMonitorTransform     transform,
                                             const graphene_point_t *hotspot);
 
 META_EXPORT_TEST