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

Change-Id: I87df17af6b1fd2fa646da08f3d45cf2f2ceb63fa