This method will be used instead of GetPacketAndSetSendTime() when the
new pacer code path is used, where the packet isn't stored in the
history during pacing.
Bug: webrtc:10633
Change-Id: Ie168125d949cef617ade3868a1858ed1dffe909c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/140892
Commit-Queue: Erik Språng <sprang@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28240}
eceb537086