Enable pkvm based on the relevant sysprop rather than /dev/kvm am: 4ff69cacdf am: 34a69be411

Original change: https://android-review.googlesource.com/c/device/google/gs101/+/3128013

Change-Id: Ic587fc28c22bbe105ba3f6118f0b45a128f3335c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>