EGL: allow eglQueryString(EGL_NO_DISPLAY, EGL_VERSION) According to the EGL 1.5 specification, this should be okay: If dpy is EGL_NO_DISPLAY, then the EGL_VERSION string describes the supported client version. If dpy is a valid, initialized display, then the EGL_VERSION string describes the supported EGL version for dpy. Bug: angleproject:7194 Change-Id: I0d851742695293d553465175ce4b59ce7f5d5336 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3583143 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Kenneth Russell <kbr@chromium.org> Commit-Queue: Steven Noonan <steven@valvesoftware.com> Auto-Submit: Steven Noonan <steven@valvesoftware.com> Commit-Queue: Kenneth Russell <kbr@chromium.org>