Change offsets in LSE_test to be outside of Object

Several tests in load_store_elimination_test used field offsets that
were within the ObjectHeader on read-barrier configurations. Since LSE
special cases object-header fields this could cause tests to
incorrectly fail.

Test: ./test.py --host
Bug: 67037140
Change-Id: I3146f5310dd4474bbc7079ac2e7584459e5c5ac6
2 files changed