include example to demonstrate: (subjectively) increased readability (objectively) decreased binary size Bug: None Change-Id: I970e668af98d98725b2d527f44169a8b7c9d2338 Reviewed-on: https://webrtc-review.googlesource.com/c/121420 Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Reviewed-by: Johannes Kron <kron@webrtc.org> Cr-Commit-Position: refs/heads/master@{#26545}