Rules to let netd read packets from NFLOG target.

avc: denied { create } for scontext=u:r:netd:s0 tcontext=u:r:netd:s0 tclass=netlink_socket permissive=1
avc: denied { setopt } for scontext=u:r:netd:s0 tcontext=u:r:netd:s0 tclass=netlink_socket permissive=1
avc: denied { bind } for scontext=u:r:netd:s0 tcontext=u:r:netd:s0 tclass=netlink_socket permissive=1
avc: denied { getopt } for scontext=u:r:netd:s0 tcontext=u:r:netd:s0 tclass=netlink_socket permissive=1
avc: denied { write } for scontext=u:r:netd:s0 tcontext=u:r:netd:s0 tclass=netlink_socket permissive=1
avc: denied { read } for scontext=u:r:netd:s0 tcontext=u:r:netd:s0 tclass=netlink_socket permissive=1

Bug: 18335678
Change-Id: I7c03d55b4719d0fd8057507bf8ac1cf573e4744a