interface update
Conflicts:
	codec/api/svc/codec_app_def.h
	codec/encoder/core/inc/param_svc.h
	codec/encoder/core/src/encoder_ext.cpp
	codec/encoder/core/src/slice_multi_threading.cpp
	codec/encoder/core/src/svc_encode_slice.cpp
	codec/encoder/core/src/wels_preprocess.cpp