This will run additional tests for redundant uniform sets on vec4
uniforms as well as matrix. Also rename the metrics slightly.

BUG=angleproject:1385

Change-Id: Ib9777ea38d3153cc0fb69658fcf96d75b03f3770
Reviewed-on: https://chromium-review.googlesource.com/427141Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>