Call disconnect at the end of each AMDeviceSession
Call disconnect at the end of each AMDeviceSession

Summary: Otherwise we're leaking connections

Reviewed By: dtorres

Differential Revision: D6624838

fbshipit-source-id: dd92a056342a836701e204f85d6e9d53cb1bd716

facebook/FBSimulatorControl,facebook/FBSimulatorControl,facebook/FBSimulatorControl,facebook/FBSimulatorControl,facebook/FBSimulatorControl