move HighlightListener to BASE, https://github.com/phetsims/scenery/issues/1078, https://github.com/phetsims/balloons-and-static-electricity/issues/470
move HighlightListener to BASE, https://github.com/phetsims/scenery/issues/1078, https://github.com/phetsims/balloons-and-static-electricity/issues/470

phetsims/scenery-phet,phetsims/scenery-phet,phetsims/scenery-phet