GitLab

-the internal part is eureka-internal/221797

BUG=internal b/120030063

Test=Check the logging when switching from opt-in to opt-out.

Change-Id: Ib42484624007cf28c1a98ffc62851ea7f7656194
Reviewed-on: https://chromium-review.googlesource.com/c/1351283
Commit-Queue: Ziyang Cheng <ziyangch@chromium.org>
Reviewed-by: Simeon Anfinrud <sanfin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#611453}