vatrace: refine the log format
vatrace: refine the log format

Signed-off-by: Austin Yuan <f447c34e4ebcef84a81b40a8d4dbc448a14e5570@intel.com>
(cherry picked from commit f78e4a6a84178c4561a5b1c8dbb7773e5a575d0f)

pma1/libva,01org/iotg-lin-gfx-libva,zzhhui/libva,zzhhui/libva,pma1/libva,chenxianqin/vaapi-libva,chenxianqin/vaapi-libva,gbeauchesne/libva,pma1/libva,01org/iotg-lin-gfx-libva,01org/iotg-lin-gfx-libva,01org/libva-cros,zzhhui/libva,01org/libva-cros,chenxianqin/vaapi-libva,gbeauchesne/libva,gbeauchesne/libva,01org/libva-cros