Both regress-8432 and regress-8413 pass with the latest ICU
roll to 407b393.

TBR=ftang@chromium.org,gsathya@chromium.org,machenbach@chromium.org

Bug: v8:8432,v8:8414
Change-Id: I56f3d88c1f90021ad51062bc5f26a9e88877f954
Reviewed-on: https://chromium-review.googlesource.com/c/1341455
Commit-Queue: Jungshik Shin <jshin@chromium.org>
Reviewed-by: Jungshik Shin <jshin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57590}