Add support to send optimal format as part of ScheduleOverlayPlane

ui/ozone/public/overlay_candidates_ozone.h

Index: ui/ozone/public/overlay_candidates_ozone.h
diff --git a/ui/ozone/public/overlay_candidates_ozone.h b/ui/ozone/public/overlay_candidates_ozone.h
index bc6b237fa43edd6a1739f9e277376fe628c307f4..d5a7e5ee6d1642437ae473435fc4ebe1992f150e 100644
--- a/ui/ozone/public/overlay_candidates_ozone.h
+++ b/ui/ozone/public/overlay_candidates_ozone.h
@@ -44,7 +44,8 @@ class OZONE_BASE_EXPORT OverlayCandidatesOzone {
     // Stacking order of the overlay plane relative to the main surface,
     // which is 0. Signed to allow for "underlays".
     int plane_z_order = 0;
-
+    // If any scaling requirements need to be handled before composition.
+    bool handle_scaling = true;
     // To be modified by the implementer if this candidate can go into
     // an overlay.
     bool overlay_handled = false;