Give Netlink Interceptor route_socket perms

VTS for Netlink Interceptor needs access to netlink_route_socket, and
other services routing traffic to Netlink Interceptor may as well.

Bug: 201467304
Test: VtsHalNetlinkInterceptorV1_0Test
Change-Id: Ic52e54f1eec7175154d2e89e307740071b1ba168
diff --git a/public/hal_nlinterceptor.te b/public/hal_nlinterceptor.te
index 2076de8..1a738a5 100644
--- a/public/hal_nlinterceptor.te
+++ b/public/hal_nlinterceptor.te
@@ -5,4 +5,4 @@
 
 allow hal_nlinterceptor self:global_capability_class_set net_admin;
 allow hal_nlinterceptor self:netlink_generic_socket create_socket_perms_no_ioctl;
-allow hal_nlinterceptor self:netlink_route_socket { nlmsg_readpriv nlmsg_write };
+allow hal_nlinterceptor self:netlink_route_socket { create_socket_perms_no_ioctl nlmsg_readpriv nlmsg_write };