https://w3c.github.io/webrtc-stats/#dom-rtcicecandidatepairstats-lastpacketsenttimestamp https://w3c.github.io/webrtc-stats/#dom-rtcicecandidatepairstats-lastpacketreceivedtimestamp which are useful together with the ice-restart-necessary logic mentioned in https://w3c.github.io/webrtc-pc/#dictionary-rtcofferoptions-members BUG=webrtc:14619 Change-Id: I4a8ab00a37fbd4af8b948720c83787cbdfc6b9a3 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/281281 Reviewed-by: Henrik Boström <hbos@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Philipp Hancke <phancke@microsoft.com> Cr-Commit-Position: refs/heads/main@{#38534}