Disable name lookups for dumpstate calls to "iptables -L"

The name lookups are not helpful enough to warrant the large delays
they can cause.

Change-Id: I8710e76b15b7cf060b7f4f89128ea3249fcdbd0d

Author: John Michelau

cmds/dumpstate/dumpstate.c

@@ -113,8 +113,8 @@ static void dumpstate() {
     dump_file("NETWORK ROUTES", "/proc/net/route");
     dump_file("NETWORK ROUTES IPV6", "/proc/net/ipv6_route");
     dump_file("ARP CACHE", "/proc/net/arp");
-    run_command("IPTABLES", 10, "su", "root", "iptables", "-L", NULL);
-    run_command("IPTABLE NAT", 10, "su", "root", "iptables", "-t", "nat", "-L", NULL);
+    run_command("IPTABLES", 10, "su", "root", "iptables", "-L", "-n", NULL);
+    run_command("IPTABLE NAT", 10, "su", "root", "iptables", "-t", "nat", "-L", "-n", NULL);
 
     run_command("WIFI NETWORKS", 20,
             "su", "root", "wpa_cli", "list_networks", NULL);