Actually focus the accessible element on down events for self-voicing, so that control can proceed with keyboard/swipe gestures - see phetsims/john-travoltage#354
Actually focus the accessible element on down events for self-voicing, so that control can proceed with keyboard/swipe gestures - see phetsims/john-travoltage#354

phetsims/scenery,phetsims/scenery,phetsims/scenery