Use adoptSymbols(NumberingSystem *) API in Intl.NumberFormat to reduce string size

Bug: v8:10207
Change-Id: I3163c524612b61cfdad51743d58ece08b437520a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2055567Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66273}