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 am: 2bf3c45624  -s ours
am: b2c18293a4  -s ours

Change-Id: I6bcb6e9335dbfa8854feb0604601b6f1cfed7ad0