Update non-moving space references in reverse

This ensures that the class references in objects that span across pages
are updated last, which is necessary for correct working of
VisitRefsForCompaction().

Bug: 160737021
Bug: 259643149
Test: art/test/testrunnner/testrunner.py
Change-Id: If77fa12459d1dd5d121b277f482df281e8f91574
1 file changed