ART: Change main-thread thread paging scheme am: afb2b33f87 am: b761bfb83f am: d92d5f8f2f am: 3edf1d642f am: e599e8251e am: 11536382e1
am: cb60fcbc62  -s ours

Change-Id: I17b12d746f815b3071566d0c314f396ba733c88f