am 8e7515d9: Merge "get rid of our LayerVector implementation" into gingerbread

Merge commit '8e7515d9c938f5addd08d97bccfccfa976e76c11' into gingerbread-plus-aosp

* commit '8e7515d9c938f5addd08d97bccfccfa976e76c11':
  get rid of our LayerVector implementation