Return the VA_STATUS_ERROR_UNIMPLEMENTED for unsupported media_GetImage/PutImage
Return the VA_STATUS_ERROR_UNIMPLEMENTED for unsupported media_GetImage/PutImage

Currently it will return VA_STATUS_SUCCESS. Then the upper middleware will
consider that the conversion is successful. But in fact it is misleading.

Change-Id: Ib3a5ba0060579b0aa800b12a627bf1f30312e1f9
Signed-off-by: Zhao Yakui <21bae65ecea50a19bd9d0fef489914760189fd5b@intel.com>

seanvk/intel-hybrid-driver,01org/intel-hybrid-driver,seanvk/intel-hybrid-driver,BtbN/intel-hybrid-driver,BtbN/intel-hybrid-driver,01org/intel-hybrid-driver,seanvk/intel-hybrid-driver,seanvk/intel-hybrid-driver,BtbN/intel-hybrid-driver,gbeauchesne/libva-intel-hybrid-driver,gbeauchesne/libva-intel-hybrid-driver,gbeauchesne/libva-intel-hybrid-driver,seanvk/intel-hybrid-driver,01org/intel-hybrid-driver,BtbN/intel-hybrid-driver,gbeauchesne/libva-intel-hybrid-driver,gbeauchesne/libva-intel-hybrid-driver,01org/intel-hybrid-driver,01org/intel-hybrid-driver,BtbN/intel-hybrid-driver