[automerger skipped] Merge "KeyMint VTS: catch empty cert chains" into sc-dev...

[automerger skipped] Merge "KeyMint VTS: catch empty cert chains" into sc-dev am: 6e46363a -s ours am: d766b051 -s ours am: b777538f -s ours

am skip reason: Merged-In Idad2703b458952ff599c6ccdd04a941aef7aedde with SHA-1 a038695b is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/15518062

Change-Id: I587750a36655457721a9b13d2d21e340b6116f88