Fails the dEQP test:

dEQP-GLES3.functional.fbo.color.tex3d.rgb10_a2ui

BUG=angleproject:1149

This reverts commit d0f9fdc7.

Change-Id: I5b76255be3fc1f0734395dac609e2949fc8c8185
Reviewed-on: https://chromium-review.googlesource.com/298010Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Jamie Madill <jmadill@chromium.org>