Emil Lundmark 365a5717ae Use absl::optional instead of std::optional
We haven't switched to the std spelling in WebRTC yet.

Change-Id: If21a6ee9ac19be8ce959b3192eb8de044048f157
Bug: None
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/310501
Auto-Submit: Emil Lundmark <lndmrk@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#40356}
2023-06-27 10:41:33 +00:00
..