Total summary count (#3351)
* add audio concealment to stats report
* audio concealment to summary
* make ts linter happy
* format and rename
* fix and add tests
* make it prettier!
* we can make it even prettier ?!
* review
* fix tests
* pretty
* one empty line to ...
* remove ratio in audio concealment (ratio is now done in the summary)
* remove comment
* fix test
* add peer connections to summary report
* tests
