anv: reset query pools using blorp

anv: reset query pools using blorp

Previously we used PC to set query data to 0 during
CmdResetQueryPool. This was slow when clearing large query pools.
Switching to blorp to clear pools is faster for large query pools.

Red Dead Redemption 2: +1.5% speedup

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22178>