Also added an enum for unknown reason.
New value uses a macro-like name rather than a constant-like name for consistency.
Bug: chromium:1369096, webrtc:14131
Change-Id: Ib315584ec40d8c1cd9a6f0ff44587c0d92c735d5
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/292341
Reviewed-by: Jonas Oreland <jonaso@webrtc.org>
Commit-Queue: Sameer Vijaykar <samvi@google.com>
Cr-Commit-Position: refs/heads/main@{#39262}
c7a0620c98