Add selinux policy for legacy Wifi HAL

avc: denied { call } for scontext=u:r:wificond:s0 tcontext=u:r:hwservicemanager:s0 tclass=binder permissive=1
avc: denied { call } for scontext=u:r:wificond:s0 tcontext=u:r:wifi_hal_legacy:s0 tclass=binder permissive=1

avc: denied { bind } for scontext=u:r:wifi_hal_legacy:s0 tcontext=u:r:wifi_hal_legacy:s0 tclass=netlink_socket permissive=1
avc: denied { call } for scontext=u:r:wifi_hal_legacy:s0 tcontext=u:r:hwservicemanager:s0 tclass=binder permissive=1
avc: denied { create } for scontext=u:r:wifi_hal_legacy:s0 tcontext=u:r:wifi_hal_legacy:s0 tclass=netlink_socket permissive=1
avc: denied { create } for scontext=u:r:wifi_hal_legacy:s0 tcontext=u:r:wifi_hal_legacy:s0 tclass=udp_socket permissive=1
avc: denied { getattr } for path="/proc/4355/net/psched" dev="proc" ino=4026535370 scontext=u:r:wifi_hal_legacy:s0 tcontext=u:object_r:proc_net:s0 tclass=file permissive=1
avc: denied { getattr } for scontext=u:r:wifi_hal_legacy:s0 tcontext=u:r:wifi_hal_legacy:s0 tclass=netlink_socket permissive=1
avc: denied { ioctl } for path="socket:[28193]" dev="sockfs" ino=28193 ioctlcmd=8933 scontext=u:r:wifi_hal_legacy:s0 tcontext=u:r:wifi_hal_legacy:s0 tclass=udp_socket permissive=1
avc: denied { ioctl } for path="socket:[34821]" dev="sockfs" ino=34821 ioctlcmd=8933 scontext=u:r:wifi_hal_legacy:s0 tcontext=u:r:wifi_hal_legacy:s0 tclass=udp_socket permissive=1
avc: denied { net_admin } for capability=12 scontext=u:r:wifi_hal_legacy:s0 tcontext=u:r:wifi_hal_legacy:s0 tclass=capability permissive=1
avc: denied { net_raw } for capability=13 scontext=u:r:wifi_hal_legacy:s0 tcontext=u:r:wifi_hal_legacy:s0 tclass=capability permissive=1
avc: denied { open } for path="/proc/2754/net/psched" dev="proc" ino=4026535377 scontext=u:r:wifi_hal_legacy:s0 tcontext=u:object_r:proc_net:s0 tclass=file permissive=1
avc: denied { open } for path="/sys/class/net" dev="sysfs" ino=10488 scontext=u:r:wifi_hal_legacy:s0 tcontext=u:object_r:sysfs:s0 tclass=dir permissive=1
avc: denied { read } for name="net" dev="sysfs" ino=10488 scontext=u:r:wifi_hal_legacy:s0 tcontext=u:object_r:sysfs:s0 tclass=dir permissive=1
avc: denied { read } for name="psched" dev="proc" ino=4026535370 scontext=u:r:wifi_hal_legacy:s0 tcontext=u:object_r:proc_net:s0 tclass=file permissive=1
avc: denied { read } for scontext=u:r:wifi_hal_legacy:s0 tcontext=u:r:wifi_hal_legacy:s0 tclass=netlink_socket permissive=1
avc: denied { setopt } for scontext=u:r:wifi_hal_legacy:s0 tcontext=u:r:wifi_hal_legacy:s0 tclass=netlink_socket permissive=1
avc: denied { transfer } for scontext=u:r:wifi_hal_legacy:s0 tcontext=u:r:hwservicemanager:s0 tclass=binder permissive=1
avc: denied { write } for scontext=u:r:wifi_hal_legacy:s0 tcontext=u:r:wifi_hal_legacy:s0 tclass=netlink_socket permissive=1
avc: denied { create } for scontext=u:r:wifi_hal_legacy:s0 tcontext=u:r:wifi_hal_legacy:s0 tclass=netlink_socket permissive=0
avc: denied { net_admin } for capability=12 scontext=u:r:wifi_hal_legacy:s0 tcontext=u:r:wifi_hal_legacy:s0 tclass=capability permissive=0
avc: denied { read } for name="net" dev="sysfs" ino=9862 scontext=u:r:wifi_hal_legacy:s0 tcontext=u:object_r:sysfs:s0 tclass=dir permissive=0
avc: denied { create } for scontext=u:r:wifi_hal_legacy:s0 tcontext=u:r:wifi_hal_legacy:s0 tclass=udp_socket permissive=0

Bug: 31352200
Test: can boot angler & bullhead and start/stop HAL repeatedly
Change-Id: Ide93730d362fb93602742fc10b22fff6e7d56f6b