[qmthermal] Use state constants from thermalmanager_dbus_if
[qmthermal] Use state constants from thermalmanager_dbus_if

sletta/lipstick,pvuorela/lipstick,sletta/lipstick,giucam/lipstick,pvuorela/lipstick,giucam/lipstick,sletta/lipstick,giucam/lipstick,pvuorela/lipstick