Merge "KeyMint VTS: check chain size before dereferencing" am: 543eb71cb6 am: abe4c2ec93 am: 87d139a9c0 am: 8aa69cf873

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2119365

Change-Id: Ie09abd10f5805c4ece7dd2c0dc70e4d9affbad87
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>