ART: Add test for ArrayElementVarHandle offsets.

Fixes omission in 005ac512de3d734624a5db39bb14b71763ba730d.

Test: art/test.py --host -g -j32
Bug: 65872996
Change-Id: I085f8a56661012ca3b5a380d8c644aec88b7e441
2 files changed