vendor: add policies for netd

Required due to CAF's abc9c0f4fe574ee9847f118e5d2ae8c530bac650 in
system/netd

Fixes showing how many devices are connected to the tethered hotspot

Change-Id: I1d83f7ac0b28efa6973e0baf429de2a398c471e3
diff --git a/sepolicy/hostapd.te b/sepolicy/hostapd.te
new file mode 100644
index 0000000..8a70f14
--- /dev/null
+++ b/sepolicy/hostapd.te
@@ -0,0 +1 @@
+allow hostapd netd:unix_dgram_socket sendto;