Limited use key: feature flags.

Add feature flags to indicate whether KeyMint only enforce
this feature in hardware with count == 1 or enforce with
any number of the count (>=1).

Test: compile
Change-Id: Id9c13ee91b779164bd07ff20ae2b4c0e158fdb33
Merged-In: Id9c13ee91b779164bd07ff20ae2b4c0e158fdb33
2 files changed