Cutting down on the number of attributes associated with each type
speeds up policy lookup times when there is an access vector cache
miss.

This change cuts down on the number of attributes associate with
system_server from 19 to 8. The total number of attributes is
reduced from 159 to 64.

Bug: 36508258
Test: build and boot Marlin
Change-Id: I8cdb6fb783ded869e88c5a9868fd7c8f838190f9