README.md uses IDB_COMPANION
README.md uses IDB_COMPANION

Summary: Connection is an un-needed step when you're targeting a companion that you have the port for directly

Reviewed By: zeyadsalloum

Differential Revision: D24044293

fbshipit-source-id: 42b1e7a6db20bc91864154f345298fa7d6095acf

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