ART: Change main-thread thread paging scheme am: a79db76ced am: d3b48537ad am: a5a1146d45 am: d4b94c823f  -s ours am: 68fd95aa24  -s ours am: 7317360095  -s ours am: ff1f7b5242  -s ours am: 53f39fb9ac  -s ours am: 25c12b5751  -s ours am: d5292e6b04  -s ours
am: 39eed4547e  -s ours

Change-Id: I234943c1aa3c89c7847171c533a160be96ad020a