The actual event definitions will be added in upcoming CLs.
Bug: webrtc:11933
Change-Id: Ie10b08a71aeb12118612b7717a08b6acbc699c4d
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/249361
Reviewed-by: Sebastian Jansson <srte@webrtc.org>
Commit-Queue: Björn Terelius <terelius@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35978}