Philipp Hancke 522380ff73 Attempt to recycle a stopped data m-line before creating a new one
which avoids an infinitely growing SDP if the remote end rejects
the datachannel section. This will reactivate the m-line even if
all datachannels are closed.

BUG=chromium:1442604

Change-Id: If60f93b406271163df692d96102baab701923602
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/304241
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Philipp Hancke <phancke@microsoft.com>
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#40029}
2023-05-09 15:11:24 +00:00
..
2023-04-18 12:31:49 +00:00
2022-01-18 13:46:37 +00:00