Revert "sampling.ImagePathStatus: drop unused code"

This reverts commit 8086bf15e11d7e7cec26ba33cfccc95448214e01.

Change-Id: I5502264af5278d8568e9a51360598c39e28e05ef
Signed-off-by: Federico Simoncelli <fsimonce@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/21013
Reviewed-by: Dan Kenigsberg <danken@redhat.com>