Add more diagnostic output to ICC profile dumps

- For profiles where the curves are not identical, print the max
  error of the best single curve across all curves.
- For all curves, print out f(1), which is strongly correlated
  with bad fitting and poor visual results.

Bug: chromium:1017960

Change-Id: I4e5604cef51c18faabe4493174045bd6ada32fde
Reviewed-by: Mike Klein <>
Commit-Queue: Brian Osman <>
63 files changed