Merge "Camera2: Update lensShadingMap documentation" into nyc-dev am: cd44a32dfe am: 02c43050af
am: 33c4afd13b

* commit '33c4afd13bd7875d598ebb1b0851ea06f07bf831':
  Camera2: Update lensShadingMap documentation

Change-Id: I4fc3e9d505bcb55b0a88f1056ed84a98140eb2fd