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: I2774128e7be9367f386cfc3a2eafb7e398bf5e9b
Merged-In: I2774128e7be9367f386cfc3a2eafb7e398bf5e9b