Use named value-parameterized tests for dEQP gtests This replace the non-descriptive digit at the end of the test name by the name of the dEQP test being run. BUG=angleproject:1153 Change-Id: Ibc9e5fbf46ffbf3a8c783807161b2bdc63119f54 Reviewed-on: https://chromium-review.googlesource.com/296686 Reviewed-by: Jamie Madill <jmadill@chromium.org> Tested-by: Corentin Wallez <cwallez@chromium.org> Tryjob-Request: Corentin Wallez <cwallez@chromium.org>