This moves ArrayView.isArray and some TypedArray accessors to
the JSCallReducer.

Bug: v8:7340, v8:7250
Change-Id: Ia6ed9dc5eb8f0c84c286c58d757cbc149d811cf7
Reviewed-on: https://chromium-review.googlesource.com/995454Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52379}