Merge "[attestation] Verify client VM's DICE chain up to pvmfw payload" into main am: 78ab3cd5d1

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/2847417

Change-Id: I6efa019f91799ba2fec34e08cc2a8dbed886e6c6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>