Merge "[doc] Update DICE handover spec in pvmfw accroding to VSR-15" into main am: 717335f499

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/3194920

Change-Id: I8bc26d7d52b33d5e9d1b0b0eb4a02f29d945011f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>