ART: Make Touch's stack array smaller under ASAN am: 165ba42d5d am: 8a669e0819 am: 17d829c8e6  -s ours am: 71aaacfb6e  -s ours am: d776215152  -s ours
am: 73a332a52c  -s ours

Change-Id: Ia1d8e7c044044b26b68afe6239b6ebe6e8cd3aae