[non-BE] HP20 filter in ParamISM encoder revVE
- fix clash between
ISM_BITRATE_SWITCHING
andFIX_155_HP20_ISSUE
- [self-test] add two ISM bitrate switching conditions
Related to #155 (closed).
ISM_BITRATE_SWITCHING
and FIX_155_HP20_ISSUE
Related to #155 (closed).