Merge changes from topic 'fix-vp9-bitstream-test'
* changes:
vp9_encoder_parms_get_to_decoder: cosmetics
vp9...parms_get_to_decoder: remove unneeded func
vp9...parms_get_to_decoder: fix EXPECT param order
vp9_encoder_parms_get_to_decoder: delete dead code
fix BitstreamParms test
vp9_encoder_parms_get_to_decoder: remove vp10
yuvconfig2image(): add explicit cast to avoid conv warning
vp9/10 decoder_init: add missing alloc cast
vp9/10: set color_space on preview frame
vp10: add extern "C" to headers
vp9: add extern "C" to headers