In Chrome, when used locale ‘en-GB’ in Intl.DateTimeFormat for 12:00,
it formats to 00:00 PM. The proper format should be 12:00 PM.
Date-utils will use ‘en-GB’ only as a workaround for
format ‘HH’ (24 hour), because Chrome 80 formats 00:05 as 24:05
in ‘en-US’.
Change-Id: I6539315a6a798d580934b46937e050f48b1cf1c9