[511172] Previous Difference doesn't expand the previous node

The previous difference action doesn't select the right diff in the SMV.
It select the previous expanded node that is not necessarily the
previous diff. It should expend the nodes the same way next difference
action does.

Bug: 511172
Change-Id: Ie87f1b9f3dfd669c206b36c0a3ce4c7495421629
Signed-off-by: Simon Delisle <simon.delisle@ericsson.com>
1 file changed