rtpjitterbuffer: When detecting a huge seqnum gap, wait for 5 consecutive packets before resetting everything
rtpjitterbuffer: When detecting a huge seqnum gap, wait for 5 consecutive packets before resetting everything

It might just be a late retransmission or spurious packet from elsewhere, but
resetting everything would mean that we will cause a noticeable hickup. Let's
get some confidence first that the sequence numbers changed for whatever
reason.

https://bugzilla.gnome.org/show_bug.cgi?id=747922

rawoul/gst-plugins-good,rawoul/gst-plugins-good,vatavuserban/gst-plugins-good,Kurento/gst-plugins-good,GStreamer/gst-plugins-good,Kurento/gst-plugins-good,rawoul/gst-plugins-good,kittee/gst-plugins-good,stfl/gst-plugins-good,GStreamer/gst-plugins-good,pexip/gst-plugins-good,GrokImageCompression/gst-plugins-good,StreamUtils/gst-plugins-good,chamois94/gst-plugins-good,chamois94/gst-plugins-good,sebras/gst-plugins-good,hizukiayaka/gst-plugins-good,pexip/gst-plugins-good,GStreamer/gst-plugins-good,vatavuserban/gst-plugins-good,ikonst/gst-plugins-good,StreamUtils/gst-plugins-good,GrokImageCompression/gst-plugins-good,pexip/gst-plugins-good,hizukiayaka/gst-plugins-good,pexip/gst-plugins-good,chamois94/gst-plugins-good,hizukiayaka/gst-plugins-good,GStreamer/gst-plugins-good,chamois94/gst-plugins-good,ikonst/gst-plugins-good,sebras/gst-plugins-good,vatavuserban/gst-plugins-good,shelsonjava/gst-plugins-good,stfl/gst-plugins-good,ikonst/gst-plugins-good,stfl/gst-plugins-good,stfl/gst-plugins-good,hizukiayaka/gst-plugins-good,froggatt/gst-plugins-good-m,StreamUtils/gst-plugins-good,pexip/gst-plugins-good,vatavuserban/gst-plugins-good,sebras/gst-plugins-good,kittee/gst-plugins-good,rawoul/gst-plugins-good,GrokImageCompression/gst-plugins-good,GrokImageCompression/gst-plugins-good,kittee/gst-plugins-good,shelsonjava/gst-plugins-good,shelsonjava/gst-plugins-good,Kurento/gst-plugins-good,Kurento/gst-plugins-good,StreamUtils/gst-plugins-good,froggatt/gst-plugins-good-m,sebras/gst-plugins-good,shelsonjava/gst-plugins-good,froggatt/gst-plugins-good-m,froggatt/gst-plugins-good-m,Kurento/gst-plugins-good,kittee/gst-plugins-good,ikonst/gst-plugins-good