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. Reland, enabling the named tests only in standalone. BUG=angleproject:1153 Change-Id: I1336d38425c19305fae8279a42d4931cc516215c Reviewed-on: https://chromium-review.googlesource.com/304171 Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Jamie Madill <jmadill@chromium.org>