GitLab

In Child lock screen, set time to 24 hour clock format if the
child user turn on "Use 24-hour clock" in preference.

Bug: 945186
Change-Id: I760387e8e58041f23529c24641362eec5de6a9b6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2225864
Commit-Queue: Xiqi Ruan <xiqiruan@chromium.org>
Reviewed-by: Roman Sorokin [CET] <rsorokin@chromium.org>
Reviewed-by: Aga Wronska <agawronska@chromium.org>
Cr-Commit-Position: refs/heads/master@{#779978}