Revert "fstab: /persist does not need trimming"

I put notrim into the wrong part of the fstab entry

This reverts commit 4f0be3dcb47dcb0f5ce67bd7b63a8d5aba017fc9.

Bug: 20058349
Change-Id: Ifb650ab68990c1852385c04ad9231501de87fe0d
1 file changed