Add hinge angle sensor

[JohnAZoidberg]

GUID_SensorType_HingeAngle and PKEY_SensorData_HingeAngle

[JohnAZoidberg]

Not sure if this is useful for anything?
Even SensorExplorer doesn't seem to show it:

• https://learn.microsoft.com/en-us/windows-hardware/drivers/sensors/testing-sensor-explorer
• https://github.com/search?q=repo%3Amicrosoft%2Fbusiotools%20path%3A%2F%5Esensors%5C%2FTools%5C%2FSensorExplorer%5C%2F%2F%20angle&type=code

[JohnAZoidberg]

Would be useful for debugging to see what the EC thinks the current lid angle is.