Address dnsmasq denials such as:

 avc:  denied  { use } for  pid=9145 comm="dnsmasq" path="pipe:[29234]" dev="pipefs" ino=29234 scontext=u:r:dnsmasq:s0 tcontext=u:r:netd:s0 tclass=fd
 avc:  denied  { read } for  pid=9145 comm="dnsmasq" path="pipe:[29234]" dev="pipefs" ino=29234 scontext=u:r:dnsmasq:s0 tcontext=u:r:netd:s0 tclass=fifo_file
 avc:  denied  { read write } for  pid=9145 comm="dnsmasq" path="socket:[7860]" dev="sockfs" ino=7860 scontext=u:r:dnsmasq:s0 tcontext=u:r:netd:s0 tclass=netlink_kobject_uevent_socket
 avc:  denied  { read write } for  pid=9145 comm="dnsmasq" path="socket:[8221]" dev="sockfs" ino=8221 scontext=u:r:dnsmasq:s0 tcontext=u:r:netd:s0 tclass=unix_stream_socket
 avc:  denied  { read write } for  pid=9523 comm="dnsmasq" path="socket:[7860]" dev="sockfs" ino=7860 scontext=u:r:dnsmasq:s0 tcontext=u:r:netd:s0 tclass=netlink_kobject_uevent_socket
 avc:  denied  { read write } for  pid=9523 comm="dnsmasq" path="socket:[7862]" dev="sockfs" ino=7862 scontext=u:r:dnsmasq:s0 tcontext=u:r:netd:s0 tclass=netlink_route_socket
 avc:  denied  { net_raw } for  pid=9607 comm="dnsmasq" capability=13  scontext=u:r:dnsmasq:s0 tcontext=u:r:dnsmasq:s0 tclass=capability
 avc:  denied  { net_admin } for  pid=9607 comm="dnsmasq" capability=12  scontext=u:r:dnsmasq:s0 tcontext=u:r:dnsmasq:s0 tclass=capability

Change-Id: I2bd1eaf22879f09df76a073028cc282362eebeee
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>