Revert "reference-ril: fix emulator gateway"

This reverts commit 0c389bf755acc18fb44dff5f3a32385352e69656.

Reason for revert: the right fix should be r.android.com/597929

Change-Id: Icc97c003b6dee7ada22748950e08cd5e0d5913c8
diff --git a/reference-ril/reference-ril.c b/reference-ril/reference-ril.c
index ba92b76..c20fb81 100644
--- a/reference-ril/reference-ril.c
+++ b/reference-ril/reference-ril.c
@@ -606,7 +606,7 @@
             }
             responses[i].dnses = dnslist;
 
-            responses[i].gateways = "10.0.2.15 fe80::2";
+            responses[i].gateways = "10.0.2.2 fe80::2";
             responses[i].mtu = DEFAULT_MTU;
         }
         else {