do not run A/B experiments on ART builds
do not run A/B experiments on ART builds

Reviewed By: dcaspi

Differential Revision: D19949730

fbshipit-source-id: 8bafdaf53251186cf187aaebd6ce07f83f67e26d

facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex