To match the D3DKMT terminology and avoid confusion between the GPUs,
which are called adapter there.

Linking it to what will be a physically identified adapter config key.

Signed-off-by: Alistair Leslie-Hughes <leslie_alistair@hotmail.com>

Signed-off-by: Alistair Leslie-Hughes <leslie_alistair@hotmail.com>

Signed-off-by: Alistair Leslie-Hughes <leslie_alistair@hotmail.com>

The Speedtest app calls this function excessively.

Tomato Jones II queries most of these properties and errors out
if any of them aren't found.

Caught by midl.

Caught by midl.

Creating an instance is an expensive operation and we should avoid
constantly re-creating one when opening then closing a D3DKMT adapter.