ART: Turn on ART_TEST_KEEP_GOING by default, clean up unused vars
ART: Turn on ART_TEST_KEEP_GOING by default, clean up unused vars

Change-Id: I8db60eade0338e53e76a87ef38ad661550475e3c

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