Port 23579ddf124b5b0d190a68657f76d511c05a4a12 to art.
Port 23579ddf124b5b0d190a68657f76d511c05a4a12 to art.

Buffer.effectiveDirectAddress is now a long.

Change-Id: I72636cddb5101f34d8ed01360d7f707b559fab51

treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst