Merge "Add placeholder for docs on updatable VM and remote attestation" into main am: 64f5b0f0bf

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/2969772

Change-Id: Icd6273670694079c4fbd5e255e8e25079fe05e1e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>