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We found out that the hardware split gamma mode
doesn't do interpolation of the values, which led
to some bad side effects such as ugly banding in
blur effects.

This CL removes all the default gamma tables, and
uses the newly exposed data to identify if the
hardware does color correction in linear gamma
space or not. This lets us select which type of
matrix to apply.

BUG=851156,749250
TEST=Expanded tests

Change-Id: I0342b6e4a0257e833c7d13690930dfd32ce89fe7
Reviewed-on: https://chromium-review.googlesource.com/1112734Reviewed-by: Daniele Castagna <dcastagna@chromium.org>
Commit-Queue: Ahmed Fakhry <afakhry@chromium.org>
Cr-Commit-Position: refs/heads/master@{#570279}