- Enable dEQP tests for uniform arrays
- Fix the shader translator to support arrays
- Fix for finding the uniforms location
- Support get/set of uniform array values

Bug: angleproject:2416

Change-Id: I7d0e9c602840ffb915f8ea3ba5d832d03bd74985
Reviewed-on: https://chromium-review.googlesource.com/984599
Commit-Queue: Luc Ferron <lucferron@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>