Merge "Camera2: Update lensShadingMap documentation" into nyc-dev am: cd44a32dfe
am: 02c43050af

* commit '02c43050af6fb528882af36d5f867abe071eebf0':
  Camera2: Update lensShadingMap documentation

Change-Id: If3dbbf28d8024a10f1cd8dc0d93a0a04178474dd