flounder: USB: Add rmnet function property

Enable USB diag function via setprop sys.usb.config rmnet.

Change-Id: Iacebca2cc90565c95dcefef8b10197182349fd5e
Signed-off-by: Xerox Lin <xerox_lin@htc.com>
diff --git a/init.flounder.usb.rc b/init.flounder.usb.rc
index 1ffc7e1..cf72d18 100644
--- a/init.flounder.usb.rc
+++ b/init.flounder.usb.rc
@@ -77,3 +77,13 @@
     write /sys/class/android_usb/android0/enable 1
     start adbd
     setprop sys.usb.state ${sys.usb.config}
+
+# rmnet
+on property:sys.usb.config=rmnet
+    write /sys/class/android_usb/android0/enable 0
+    write /sys/class/android_usb/android0/idVendor 0bb4
+    write /sys/class/android_usb/android0/idProduct 0fda
+    write /sys/class/android_usb/android0/functions mtp,adb,rmnet
+    write /sys/class/android_usb/android0/enable 1
+    start adbd
+    setprop sys.usb.state ${sys.usb.config}