Use Key Constants in FBiOSTargetQuery instead of selector naming
Use Key Constants in FBiOSTargetQuery instead of selector naming

Summary: These are constants and don't need runtime lookup like the selector strings.

Reviewed By: marekcirkos

Differential Revision: D4778717

fbshipit-source-id: 68efbbd7abc31328b2de7d66cfcb5628f8d3c42c

facebook/FBSimulatorControl,plu/FBSimulatorControl,facebook/FBSimulatorControl,StevenUpForever/FBSimulatorControl,facebook/FBSimulatorControl,StevenUpForever/FBSimulatorControl,facebook/FBSimulatorControl,facebook/FBSimulatorControl,StevenUpForever/FBSimulatorControl,plu/FBSimulatorControl,plu/FBSimulatorControl,StevenUpForever/FBSimulatorControl,plu/FBSimulatorControl