Changed date format in l10nupdate-1

Changed date format in script file as year comes after both the time
and the time zone. The script runs LocalisationUpdate's update.php
script and then logs to the server admin log.

Bug: 52986
Change-Id: I7ec72331bfd3b23515fd9a2f788f485f92ddcfad
Merge "Changed date format in l10nupdate-1" into production