Revert^2 "Activate KeyMint."

81cdd3f3da2724bc39c6e2261c60b72e0e6ffba9

Bug: 177729159
Test: VtsAidlKeyMintTargetTest & CtsKeystoreTestCases
Change-Id: I85d9e57fe83627992ddaa705946893a4b9890001
1 file changed