Add a special handle of TypedArray elements in TestElementsIntegrityLevel

Bug: v8:8082
Change-Id: I60be644801618b576b0b8b1883ac67bf0040c849
Reviewed-on: https://chromium-review.googlesource.com/c/1412133Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Commit-Queue: Peter Marshall <petermarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58874}