fix for interface descriptor
fix for interface descriptor

Signed-off-by: Xiang, Haihao <8d677183e5993577d4fa73a419b76987913292d6@intel.com>

CyanogenMod/android_hardware_intel_libva,01org/libva-cros,pma1/libva,Distrotech/libva,chenxianqin/vaapi-libva,halleyzhao/libva-fdo,halleyzhao/libva-fdo,pma1/libva,zzhhui/libva,gbeauchesne/libva,chenxianqin/vaapi-libva,Distrotech/libva,chenxianqin/vaapi-libva,01org/libva-cros,01org/iotg-lin-gfx-libva,01org/iotg-lin-gfx-libva,android-ia/hardware_intel_libva,gbeauchesne/libva,android-ia/hardware_intel_libva,01org/libva-cros,pma1/libva,CyanogenMod/android_hardware_intel_libva,Distrotech/libva,gbeauchesne/libva,zzhhui/libva,halleyzhao/libva-fdo,CyanogenMod/android_hardware_intel_libva,01org/iotg-lin-gfx-libva,android-ia/hardware_intel_libva,zzhhui/libva