The revised spec in
https://tc39.es/ecma402/#sec-Intl.Locale.prototype.maximize

now set the minimal or maximal to the %Locale% without
the same opeartion as in Intl.Locale(tag, [option])

Bug: v8:10489
Change-Id: I08c45879b158a84e8cba19922423666e2b98412b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2174976Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#67548}