Adds a new feature comparator NormalizedAbsoluteDifference for use in comparing datasets that are expected to have identical categorical value counts. A followup will implement the comparison.
Adds a new feature comparator NormalizedAbsoluteDifference for use in comparing datasets that are expected to have identical categorical value counts. A followup will implement the comparison.

PiperOrigin-RevId: 482258142

tensorflow/data-validation,tensorflow/data-validation,tensorflow/data-validation