Update test 031 to track the libcore annotations implementation changes.
Update test 031 to track the libcore annotations implementation changes.

Change-Id: I22c6954dfff28d3c9a1faa193bc42b527a142f85

treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst