define phetioCompareAPIs under phetio global, allow overwriting, https://github.com/phetsims/natural-selection/issues/266 https://github.com/phetsims/phet-io/issues/1733
define phetioCompareAPIs under phetio global, allow overwriting, https://github.com/phetsims/natural-selection/issues/266 https://github.com/phetsims/phet-io/issues/1733

phetsims/chipper,phetsims/chipper,phetsims/chipper