gl.xml was modified as two enums were missing from their proper group.
dxgi_support_data.json was fixed to not expect BC4 and BC5 on FL9_3

Bug: angleproject:3149
Change-Id: Ieb97a8cf8e92258c1b44e090e823fac227997174
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2033068Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
Commit-Queue: Kenneth Russell <kbr@chromium.org>