ART: Make Touch's stack array smaller under ASAN am: 4ca02b5b04 am: 4548ea75b0 am: 6979a6cf07 am: cf6ae546ea  -s ours am: e2da404945  -s ours am: bf88fa7980  -s ours am: 6116294661  -s ours am: 61ae0bdd0d  -s ours am: 7945d5199a  -s ours
am: 4c4e40688a  -s ours

Change-Id: I0043c170200649b39f6c0ee2b0f78d9b6d6027c4