KeyMint: new version number in attestation

For the time being, allow the version number in the attestation record
to be 100 even if the AIDL version is 2, so that implementations don't
have to update both versions simultaneously.

Bug: 194358913
Test: TreeHugger, VtsAidlKeyMintTargetTest
Change-Id: I9aae69327a62014e286ce30ca2a4d91c4c280714
7 files changed