* Add nest SDM API camera/doorbell events
Events are fired when pubsub messages are received. When messages
are received lookup a home assistant device id from the nest
device id, so that the home assistant device id can be included
in the event payload.
* Update homeassistant/components/nest/__init__.py
Co-authored-by: Paulus Schoutsen <paulus@home-assistant.io>
* Update nest code style based on PR feedback
Co-authored-by: Paulus Schoutsen <paulus@home-assistant.io>
