Allow ims create permission for netlink_route_socket

Needed for VoLTE and WiFi calling

Bug: 23935222
Change-Id: Ibf701f966a9418f8cf69b1e17767768260ae0a9d
diff --git a/sepolicy/ims.te b/sepolicy/ims.te
index 9eb0959..59cb422 100644
--- a/sepolicy/ims.te
+++ b/sepolicy/ims.te
@@ -17,6 +17,7 @@
 allow ims self:socket create_socket_perms;
 allow ims self:udp_socket create_socket_perms;
 allow ims self:netlink_socket create_socket_perms;
+allow ims self:netlink_route_socket { create_socket_perms nlmsg_write nlmsg_read };
 
 allow ims sysfs_msm_subsys:dir r_dir_perms;
 allow ims sysfs_msm_subsys:lnk_file r_file_perms;