Philippe Gorley authored Aug 16, 2019 and Adrien Béraud committed Aug 16, 2019

When using nvenc and the media sender gets restarted, the peer's srtp
decryption breaks and only gets set up correctly again after a pause and
play.

This issue was traced back to the RTP sequence numbers. Skipping a few
numbers before reinitializing the sender works.

Change-Id: Ic93f1368fc7eb01b3c57341f31d3832c9f2f2c1f