DO NOT MERGE: drm_hwcomposer: Use Planner interface to provision planes am: 8cc4e2a2de am: 325164feb1
am: 424608e4ab  -s ours

* commit '424608e4ab89fb11450e7889779109f8ce15bdce':

Change-Id: I916b8333e4e497e8a4570866622ccfafeea06b0a