Failing to do so results in out-of-date marking information, because live bytes
is not properly adjusted.

This CL adds support for right trimming ByteArray and properly DCHECKs that we
do not left trim  ByteArray (as we already do for FixedTypedArrayBase).

BUG=

Review URL: https://codereview.chromium.org/1577263003

Cr-Commit-Position: refs/heads/master@{#33252}