Add palm suppression feature to EventConverterEvdev

ui/events/ozone/evdev/touch_evdev_types.h

Index: ui/events/ozone/evdev/touch_evdev_types.h
diff --git a/ui/events/ozone/evdev/touch_evdev_types.h b/ui/events/ozone/evdev/touch_evdev_types.h
index d49c406f82125caa3f86645308295dd9279d4979..5d81df027ec9553fd19026b512707afd95766c35 100644
--- a/ui/events/ozone/evdev/touch_evdev_types.h
+++ b/ui/events/ozone/evdev/touch_evdev_types.h
@@ -27,6 +27,9 @@ struct EVENTS_OZONE_EVDEV_EXPORT InProgressTouchEvdev {
 
   // Whether the touch was cancelled. Touch events should be ignored till a
   // new touch is initiated.
+  bool was_cancelled = false;
+
+  // Whether the touch is going to be canceled.
   bool cancelled = false;
 
   bool was_touching = false;