infra: Enable gles3.1 deqp tests with direct SPIR-V generation Enabled on Linux/Nvidia, Windows/Nvidia and Pixel4. Bug: angleproject:4889 Change-Id: Id82c909e368cdc189aea2e44f6371a27d8232e37 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3047382 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Yuly Novikov <ynovikov@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>