The data contents of the Demand Polling request sent from the Display to the Host are as follows:
Host: Nothing
Display: Response Data
Data Name
Data: "Demand Polling"
Demand Polling: When the Host Presence Monitoring Time elapses, a Demand Polling request is sent.
This request demands the Host send its own Polling command. This type of request allows the Display to not have
to wait for a polling request.
