Use libbase properties for a slight simplification. am: 3b0811b786 am: 0228644fa2

Original change: https://android-review.googlesource.com/c/platform/system/bpf/+/2779648

Change-Id: If5fdf5d48859808314a6b34c59e3f122687c0741
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>