Merge changes from topic 'pbserver-imx-buffer' into oc-mr1-dev

* changes:
  QCamera3: Update HDR+ request arguments
  QCamera3: Enable lens shading map mode for HDR+
tree: 59af2e3df16c3021b0b0ab5f425d74f3fa796ecb
  1. msm8998/
  2. Android.mk
  3. CleanSpec.mk