COMP: Fix ITKMathematicalMorphology COMPONENT dependency.

In DilateAGrayScaleImage and ErodeAGrayscaleImage, the ITK module is called
ITKMathematicalMorphology instead of ITKGrayscaleMathematicalMorphology.

Change-Id: I7d0a24ebf1aa8da650f2f8cc2b7738b4bd0b03b6
Merge "COMP: Fix ITKMathematicalMorphology COMPONENT dependency."