This allow to remove the testonly from the rtc_event_log_visualizer
binary and the implicit dependency on the path of the default
conversational speech file.
The binary size of event_log_visualizer passes from 2.1 MB to 4.0 MB.
Bug: b/237526033
Change-Id: I71cf647f039f26f30c792c49c752cff5c5b329a2
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/267663
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#37453}
