Disable slow max uniform count test on D3D11/Intel. Bug: angleproject:5076 Change-Id: I21fc0504513e092003e19fb845d6759eba0a3866 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2420750 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>