Merge "Camera2: Update lensShadingMap documentation" into nyc-dev am: cd44a32dfe
am: 564dc9d0f7

* commit '564dc9d0f7ef869a61b8825d844d7812fdb6f058':
  Camera2: Update lensShadingMap documentation

Change-Id: I2ae7341a799cd78749f3c5b460f48b693780b03b