Extend the UAPI to support the copy timestamp results user extension for the
CPU job. This user extension will allow the creation of a CPU job that
copies the results of a timestamp query to a BO with the possibility to
indicate the timestamp availability with a availability bit.
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26448>