Capture: Add a specialization for TGLeglImageOES When writing out the parameter TGLeglImageOES an additional cast is needed. Bug: angleproject:6036 Change-Id: I7470a58a6ae17b0185d0c2e3fe1184b698f3efaf Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2944952 Reviewed-by: Cody Northrop <cnorthrop@google.com> Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Gert Wollny <gert.wollny@collabora.com>