Merge "[AWARE] Actually shut-down functionality when destroying NAN iface" into oc-dr1-dev

}

void WifiNanIface::invalidate() {

  // send commands to HAL to actually disable and destroy interfaces

  legacy_hal_.lock()->nanDisableRequest(0xFFFF);

  legacy_hal_.lock()->nanDataInterfaceDelete(0xFFFE, "aware_data0");

  legacy_hal_.lock()->nanDataInterfaceDelete(0xFFFD, "aware_data1");

  legacy_hal_.reset();

  event_cb_handler_.invalidate();

  is_valid_ = false;