Fix N9 boot.
Without this, sdcard fails to start because its mount point doesn't
exist.
Bug: http://b/22568628
Change-Id: Ic6a2f51fc74c5bd1f23d97592049495ac3822bb3
diff --git a/rootdir/init.rc b/rootdir/init.rc
index be5292a..b7a593f 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -17,6 +17,9 @@
# Set the security context of /adb_keys if present.
restorecon /adb_keys
+ # Shouldn't be necessary, but sdcard won't start without it. http://b/22568628.
+ mkdir /mnt 0775 root system
+
start ueventd
on init