Lahiru Ginnaliya Gamathige 3ba7beba29 Use callback_list for port destroy operation.
- During the process had to change port_interface sigslot usage and
  async_packet_socket sigslot usage.
- Left the old code until down stream projects are modified.

Change-Id: I59149b0bb982bacd4b57fdda51df656a54fe9e68
Bug: webrtc:11943
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/191520
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Jonas Oreland <jonaso@webrtc.org>
Reviewed-by: Tommi <tommi@webrtc.org>
Reviewed-by: Lahiru Ginnaliya Gamathige <glahiru@webrtc.org>
Commit-Queue: Lahiru Ginnaliya Gamathige <glahiru@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#33167}
2021-02-04 16:34:02 +00:00
..