DO NOT MERGE: drm_hwcomposer: Move SeparateLayers into a member function
am: 3498225e33

* commit '3498225e33e479e95bac6f3aec5fef04f23abddd':
  DO NOT MERGE: drm_hwcomposer: Move SeparateLayers into a member function

Change-Id: I1fdb8639ffeafab600952b872c254da47f7e406c