src/wys-audio.c: set the max latency at 100 milli seconds

To keep the call audio in sync add a max latency. This could lead to
dropped packets but it's better to keep the voice call audio in sync.

https://lists.freedesktop.org/archives/pulseaudio-discuss/2019-December/031518.html



Signed-off-by: Angus Ainslie (Purism) <angus@akkea.ca>