This makes the device light turn off when stopped. Bug: webrtc:15109 Change-Id: I1deecbc2463e2e316e01ff1f061ab6b0313c1aa1 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/302200 Commit-Queue: Ilya Nikolaevskiy <ilnik@webrtc.org> Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org> Reviewed-by: Per Kjellander <perkj@webrtc.org> Cr-Commit-Position: refs/heads/main@{#39953}