Fix sepolicy to netd.

Allow netd to get adb port from property service.adb.tcp.port

Bug: b/161861298
Test: atest android.net.cts.Ikev2VpnTest#testStartStopVpnProfileV4

Change-Id: I05ce21683b01cf05a16b9fb30030cf4fc879fb20
diff --git a/private/netd.te b/private/netd.te
index 27663d3..670a4bf 100644
--- a/private/netd.te
+++ b/private/netd.te
@@ -20,6 +20,7 @@
 set_prop(netd, ctl_mdnsd_prop)
 set_prop(netd, netd_stable_secret_prop)
 
+get_prop(netd, adbd_config_prop)
 get_prop(netd, bpf_progs_loaded_prop)
 get_prop(netd, hwservicemanager_prop)
 get_prop(netd, device_config_netd_native_prop)