dEQP: Use overload of CreateWindow. This allows us access to the EGLDisplay handle. This will be useful for passing along an error logging function. Bug: angleproject:2552 Change-Id: I98a170f419d728ca93558954be4e5c0511b0316b Reviewed-on: https://chromium-review.googlesource.com/1062790 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org>