- add buffering skip counter
- jitter buffer reset when too many missed frames
- jb disable when facing too many consecutive missing frames
- fix check_jb_size while expanding
- disable non elactic skip due to buffering
- another check size roll-over issue
- reset when expanding above the maximum size
- buffer size management
- proper handling of seq roll-over and fix seq decrement
- force accelerate when above the max size

signalwire#2601