use passed blk dev name for quota / super block check

- It was using blk dev name from fstab and quota / super block check was always
  failing for FDE

bug: 37913441
Test: reboot and confirm quota

(cherry picked from commit 951968841145a45c423463e8cd9de592cc264f5f)

Change-Id: Id5613387924d3a8d9ed4486113654aed89184af9
1 file changed