Bill Hollings 665ef6df13 Improve support for deviceUUID and deviceLUID.
- MTLDevice registryID is not constant across OS reboots,
  which is not conformant with deviceUUID requirements.
- Replace with combination of MTLDevice location, locationNumber,
  peerGroupID, and peerIndex, which should define uniqueness,
  and should be constant across OS reboots.
- Populate deviceLUID from MTLDevice registryID.
2023-05-17 14:50:48 -04:00
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