This adds support for i64.and, i64.or and i64.xor.

R=titzer@chromium.org

Bug: v8:6600
Change-Id: Ie64e1874f87cd250f3e0641e021f584ecd0aaff9
Reviewed-on: https://chromium-review.googlesource.com/995444Reviewed-by: Ben Titzer <titzer@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52396}