Add persist.sys.fuse.bpf.override

Allows for easy override of fuse-bpf for testing without a rebuild

Test: Set this property with ro.fuse.bpf.enabled both true and false
      Make sure ro.fuse.bpf.is_running is expected result
Bug: 219958836
Change-Id: I589511ea5cda76db1d55bdc2124fb546907d8acd