Revert "Reduce dirty image pages by improving binning" am: 8ace610
am: 6633a0e

* commit '6633a0e04a915ac4ee92891acd2f2534b2a59efa':
  Revert "Reduce dirty image pages by improving binning"

Change-Id: I1fb127578305120fabb3f0dd2a42894de2ea22b4