osx: initialize the device with correct role
osx: initialize the device with correct role

roylee17/gatt,suapapa/gatt,beaconinside/gatt,paypal/gatt,kmtr/gatt,suapapa/gatt,roylee17/gatt,paypal/gatt,beaconinside/gatt,wheelcomplex/gatt,wheelcomplex/gatt,kmtr/gatt