Revert "dd: support skip and seek values greater than 2G on android"

This reverts commit 6a025ba7107abe0c46a29c023ea54262c0dda26a, breaks
dealing with large storages, and it's making simple operations like
"/dd if=/dev/zero of=/dev/block/mmcblk0p3 seek=6144 count=75 bs=1"
fail in recovery

Change-Id: I246072ea7e614ee19fc421a8b11f9d11504c9f45
5 files changed