virgl: Set meta data for textures from handle.

The set of meta data was removed by commit 80834640. It broke lots of
dEQP tests when running with pbuffer surface type.

Fixes: 80834640 ("virgl: remove dead code")
Signed-off-by: Lepton Wu <lepton@chromium.org>
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
(cherry picked from commit 6109df58)