am 4604e30d: Merge "Gralloc: Support HW_CAMERA_READ/HW_CAMERA_ZSL usage." into jb-mr1-dev

* commit '4604e30da0ecf47232ff7fe74bd4c11363f3f35f':
  Gralloc: Support HW_CAMERA_READ/HW_CAMERA_ZSL usage.