Read `ro.product.device` in Adaptive CPU.

See b/222438951 for justification.

When model.inc is interpretting this enum, I think it should treat
UNKNOWN as e.g. RAVEN, so the model can still do something sensible.
I've left that to the model-side to make debugging the non-model code
easier.

Test: manual validation of counters: http://screen/Az9viP9e25eWQgL
Bug: 222438951
Change-Id: Id648b23d7bee4c34cdf077e93cf4a932265673c7
7 files changed