Migrate callbacks to use schedule_update_ha_state (#4426)

* Migrate callbacks to use schedule_update_ha_state

* Migrate MQTT sensor callback to async

* Migrate wemo to not update inside schedule_update_ha_state

* Make MQTT switch async

* Fix nx584 test

* Migrate tellstick callback

* Migrate vera callback

* Alarm control panel - manual: use async callbacks

* Run the switch rest tests that work

homeassistant/components/binary_sensor/wemo.py

@@ -45,10 +45,10 @@ class WemoBinarySensor(BinarySensorDevice):
         _LOGGER.info(
             'Subscription update for  %s',
             _device)
+        self.update()
         if not hasattr(self, 'hass'):
-            self.update()
             return
-        self.update_ha_state(True)
+        self.schedule_update_ha_state()
 
     @property
     def should_poll(self):