These formats are depricated in the core profile and not supported yet.

BUG=angleproject:884

Change-Id: Ic5cf75196ed73cc6bd660fc437f96fdcea5de1b4
Reviewed-on: https://chromium-review.googlesource.com/275771Reviewed-by: Geoff Lang <geofflang@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>