Run KeyMint VM test only when the feature is enabled am: 34e9eddef3 am: 24fdd2c829

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3482933

Change-Id: I41dfa154425c29258e8f5464af399c48b22b6b93
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>