This change makes HIDD API more like the other ones, i.e.
supporting multiple devices, and implements missing methods.
While the underlying implementation may still only support a
single device at a time, the "device" parameter can still be
useful for checking if the application is trying to send the
data to a correct device.
Test: make
Change-Id: I55fe04c0762a96fcddd6c6678e790361d648111a