init.ranchu.rc: Add dhcpcd_eth0 service

This commit adds dhcpcd service for eth interface which enables
netwoking in the ranchu emulators. Since rild support is not
implemented yet in ranchu version, this is a working solution
for enabling the internet support.

bug: 24070972

(cherry-picked from aosp: 0668c61a8bc91f223c01ba8c9db11daff31b0fc0)

Change-Id: Icdc2ef8c7beec228d3ef54baa1da9319588ebb36
diff --git a/init.ranchu.rc b/init.ranchu.rc
index 1e9f125..9d2008d 100644
--- a/init.ranchu.rc
+++ b/init.ranchu.rc
@@ -41,6 +41,12 @@
     stop dund
     stop akmd
 
+# enable dhcpcd on eth0 interface
+service dhcpcd_eth0 /system/bin/dhcpcd -ABDKL
+    class main
+    disabled
+    oneshot
+
 # enable Google-specific location features,
 # like NetworkLocationProvider and LocationCollector
     setprop ro.com.google.locationfeatures 1