Merge "Nullability check for system_properties module." am: 83f9b28792 am: 4eccad6838

Original change: https://android-review.googlesource.com/c/platform/bionic/+/2593054

Change-Id: I9a9decef6a9606dc55bfc6454bb4dd07d46d5334
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>