deps: cherry-pick 2f5da9a from V8 upstream

Original commit message:
  Fix the uppercasing of U+00E7(ç) and U+00F7(÷)
  Due to a typo in runtime-i18n.js, 'ç'(U+00E7) was not uppercased
  while '÷'(U+00F7) was incorrectly uppercased to '×'(U+00D7).

  Add a comprehensive test for Latin-1 supplemental block
  (U+00A0 ~ U+00FF). (they're special-cased for speed-up and
  needs to have a test for the range.).

  TEST=intl/general/case-mapping
  BUG=v8:5681

  Review-Url: https://codereview.chromium.org/2533033003
  Cr-Commit-Position: refs/heads/master@{#41331}

PR-URL: https://github.com/nodejs/node/pull/9828
Fixes: https://github.com/nodejs/node/issues/9785


Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>