How would I be able to adjust a channel (R,G or B) using
ImageView.setColorFilter by passing an instance of LightingColorFilter
in its construct?

For an example, when I create an instance of LightingColorFilter, I
adjust the two params that are int values between 0-255.  With this
instance, I then pass it into setColorFilter.  The image always ends
up anywhere from being black to blue.  How can I adjust the Red or
Green channel?

LightingColorFilter lcf = new LightingColorFilter( mul, add);
imageView.setColorFilter(lcf);
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