Don't notify parent anymore

I'm going to remove it entirely.

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Cosmetic

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Store latest RTCP SR and RTCP RR messages

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Remove Parent

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Change get_stats and get_phy calls output

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>