void xdp_portal_session_monitor_query_end_response ( XdpPortal* portal )
This method should be called within one second of
with the ‘Query End’ state, to acknowledge that they
have handled the state change.
Possible ways to handle the state change are either
xdp_portal_session_inhibit() to prevent the
session from ending, or to save your state and get
ready for the session to end.