DO NOT MERGE: drm_hwcomposer: Introduce Planner interface am: d9c3e2d9c8
am: c7eaa80388  -s ours

* commit 'c7eaa803884524c406ae123d890644252d37c5b8':
  DO NOT MERGE: drm_hwcomposer: Introduce Planner interface

Change-Id: I38426db6a49e00a8afbc36cabf404d18f64af3d4