dlx: init: Fix /sdcard/ not getting mounted

Sadly, I managed to not test whether or the contents of /sdcard/
exited when testing the last fstab commit.

This commit fixes that major derp.

Change-Id: I53020ca67a4fc5c5d26a8e0d2315955088a6269e
Merge remote-tracking branch 'cm/cm-11.0' into HEAD