Split the case of 'ar-SA' into
test/intl/regress-8432.js

Bug: v8:8432, v8:8413
Change-Id: I6a0e3040b132be6620649c7b7aa5fdd2e0f07053
Cq-Include-Trybots: luci.v8.try:v8_android_arm64_n5x_rel_ng_triggered
Reviewed-on: https://chromium-review.googlesource.com/c/1324574Reviewed-by: Jungshik Shin <jshin@chromium.org>
Reviewed-by: Adam Klein <adamk@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57372}