allow access to iptables for netd

# Trust

/system/bin/hw/lineage\.trust@1\.0-service      u:object_r:hal_lineage_trust_default_exec:s0

/system/bin/iptables                            u:object_r:lineage_iptables_exec:s0

# iptables

type lineage_iptables, domain, coredomain;

type lineage_iptables_exec, exec_type, system_file_type, file_type;

init_daemon_domain(lineage_iptables)

allow netd lineage_iptables_exec:file { execute_no_trans execute read open getattr };