Merge "[hypervisor] Add hypervisor backend trait to facilitate hyp support" am: bfa0d4c4a9

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/2535639

Change-Id: I107eb9c5ad21daa0e55f37572d967d934a021444
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>