Orange/197 fix lib rend ivas stat rend api
Refactor code to avoid having ivas_stat_rend.h include in lib_rend. and place all APY types decalration with prefix IVAS_REND_ in lib_rend.h
Refactor code to avoid having ivas_stat_rend.h include in lib_rend. and place all APY types decalration with prefix IVAS_REND_ in lib_rend.h