Schematize Crypto system properties

Properties accessed across partitions are now schematized and will
become APIs to make explicit interfaces among partitions.

Bug: 117924132
Test: m -j
Change-Id: I141ae3a011f9cb3ea283ca25175205b6af966ec6
Merged-In: I141ae3a011f9cb3ea283ca25175205b6af966ec6