GitLab

Fix UKM metrics recording to use GetAppEffectiveDisplayMode instead of
GetAppDisplayMode to record the actual mode when user is interacting with
the app.

Bug: none
Change-Id: Ia9d0fa5e62d3bc80ed2731ce6595bff919ed9e54
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2591869Reviewed-by: Daniel Murphy <dmurph@chromium.org>
Commit-Queue: Phillis Tang <phillis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#836921}