With EGL_ANGLE_surface_orientation this is now necessary.

Change-Id: I92a20a128640f7f30b8d1d18173336d40fdad187
Reviewed-on: https://chromium-review.googlesource.com/322265Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Tested-by: John Bauman <jbauman@chromium.org>