Add deqp gles 3.1 tests to the build files BUG=angleproject:1442 Change-Id: I2ef27478573ec362bff57b532f7fee5731333b06 Reviewed-on: https://chromium-review.googlesource.com/360121 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>