Added STE filter to the VPP pipeline.
Added STE filter to the VPP pipeline.

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