This is useful for OEMs that want to use RNDIS or NCM as a local-only link that is directly connected to some other host. This can be used to implement USB tethering using NCM, which currently only supports local-only mode. Bug: 175090447 Test: TetheringIntegrationTests:EthernetTetheringTest#testLocalOnlyTethering Change-Id: I0ffaa46e4640e5b235340a15d25909106ceb0c07