Create depth stencils for D3D texture EGL surfaces. BUG=angleproject:1144 Change-Id: I42d80293c06e40197fe100bcac31a5c6bd414edf Reviewed-on: https://chromium-review.googlesource.com/469106 Commit-Queue: Geoff Lang <geofflang@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org>