Fixed bmv2-demo.py after updating bmv2.py switch constructor arguments
Fixed bmv2-demo.py after updating bmv2.py switch constructor arguments

Change-Id: Id29d64f16d75cc0fefc017068fdd02cc15e816cc

oplinkoms/onos,gkatsikas/onos,oplinkoms/onos,kuujo/onos,gkatsikas/onos,oplinkoms/onos,kuujo/onos,gkatsikas/onos,kuujo/onos,kuujo/onos,kuujo/onos,gkatsikas/onos,opennetworkinglab/onos,opennetworkinglab/onos,gkatsikas/onos,kuujo/onos,oplinkoms/onos,opennetworkinglab/onos,oplinkoms/onos,oplinkoms/onos,opennetworkinglab/onos,oplinkoms/onos,opennetworkinglab/onos,kuujo/onos,gkatsikas/onos,opennetworkinglab/onos