Use timedelta in idb/common/companion
Use timedelta in idb/common/companion

Summary: Should have done this ages ago, makes timeouts non-ambiguous

Reviewed By: yancouto

Differential Revision: D23649642

fbshipit-source-id: 84398bfd14a95e2146cab488dc41113e6f0a3a73

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