Merge changes from topic \'image_layout\' am: 780b461
am: 66dfb68

* commit '66dfb68a3413515a9deceaa573e9909582335394':
  Fix relocate in place to handle arbitrary app image layout
  Revert "Revert "Reduce dirty image pages by improving binning""
  Revert "Reduce dirty image pages by improving binning"
  Reduce dirty image pages by improving binning

Change-Id: I5e9f46478833dd434467ac3509d6f3049b039e06