hammerhead: Change dhcdcp options

Add -a option (avoid_route)
Remove -G option (Gateway)

Bug: 11245586

Change-Id: I6ee34801d8bfa2995f94d39ec3764e163cdd6a95
diff --git a/init.hammerhead.rc b/init.hammerhead.rc
index 2a50524..e353bda 100644
--- a/init.hammerhead.rc
+++ b/init.hammerhead.rc
@@ -344,12 +344,12 @@
     disabled
     oneshot
 
-service dhcpcd_wlan0 /system/bin/dhcpcd -ABDKLG
+service dhcpcd_wlan0 /system/bin/dhcpcd -aABDKL
     class late_start
     disabled
     oneshot
 
-service dhcpcd_p2p /system/bin/dhcpcd -ABKLG
+service dhcpcd_p2p /system/bin/dhcpcd -aABKL
     class late_start
     disabled
     oneshot