Adds missing extensions to registry_xml.py Bug: angleproject:4093 Change-Id: I979b54e12c1e897ccfa116f332bf9146dcd00cae Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1965644 Commit-Queue: Brandon Schade <b.schade@samsung.com> Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>