Mount point for expanded storage.

Managed by vold.

Bug: 19993667
Change-Id: I7957b44d37d6a1f572cbec515d03856a8ed54391
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 3da6cc7..4ff17e3 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -72,6 +72,7 @@
     mkdir /mnt/media_rw 0750 root media_rw
     mkdir /mnt/user 0755 root root
     mkdir /mnt/user/0 0755 root root
+    mkdir /mnt/expand 0771 system system
 
     # sdcard_r is GID 1028
     mkdir /storage 0751 root sdcard_r