Add the ipcp scripts for pppd and racoon configuration for ipsec-tools.

1. add ip-up/ip-down script
2. add /etc/ppp/peers/common
3. add /etc/racoon/racoon.conf
diff --git a/rootdir/Android.mk b/rootdir/Android.mk
index b2fe8cf..44e343c 100644
--- a/rootdir/Android.mk
+++ b/rootdir/Android.mk
@@ -6,13 +6,15 @@
 copy_from := \
 	etc/dbus.conf \
 	etc/init.goldfish.sh \
+	etc/ppp/ip-up \
+	etc/ppp/ip-down \
+	etc/ppp/peers/common \
+	etc/racoon/racoon.conf \
 	etc/hosts
 
 dont_copy := \
 	etc/init.gprs-pppd \
-	etc/ppp/chap-secrets \
-	etc/ppp/ip-down \
-	etc/ppp/ip-up
+	etc/ppp/chap-secrets
 
 copy_to := $(addprefix $(TARGET_OUT)/,$(copy_from))
 copy_from := $(addprefix $(LOCAL_PATH)/,$(copy_from))