Add bit flags to remember hourCycle
Reorder the code in JSDateTimeFormat::Initialize
Implement the hourCycle option resolutions
Fix intl402/DateTimeFormat/prototype/resolvedOptions/hourCycle in test262

Bug: v8:7482
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Change-Id: Idc136276da89b95df6ae864161b114e34f9dcae8
Reviewed-on: https://chromium-review.googlesource.com/c/1253101
Commit-Queue: Frank Tang <ftang@chromium.org>
Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Reviewed-by: Jungshik Shin <jshin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58233}