Merge "Add documentation for device assignment" into main am: c89f056468 am: 66ce8b1328

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/2960349

Change-Id: I66676f5ed0329668bec81b3bd4abe49000c0ca52
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>