This allows users to turn debugging on from the command line instead of modifying the file. Bug: None Change-Id: I37d42a8b745f60720e5b396d695d3b2dda444b8b Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/306222 Commit-Queue: Harald Alvestrand <hta@webrtc.org> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/main@{#40196}