KeyMint: Add Root-of-Trust test cases

This patch is a squash of following patches:
 - aosp/2514097
 - aosp/2535086
 - aosp/2576910

Bug: 255344624
Test: VtsKeyMintAidlTargetTest
Change-Id: I8b34a94c11d7cc174821483f624fd083ca1763ac
Merged-In: I8b34a94c11d7cc174821483f624fd083ca1763ac
4 files changed