Camera: Update lensShadingMap documentation and visibility am: d089ee6902 am: 235c7c9d82
am: aca2759c93

* commit 'aca2759c93788b591c7f50a3ea06c580bd5dbaa4':
  Camera: Update lensShadingMap documentation and visibility

Change-Id: Ibf8cfe8c6a5770059fc847d8472a8012814c9fc9