Bypass "changed line" filtering in beautifiers

Arcanist applies some basic filtering to arc lint so that only lint
messages on or near changed lines are raised to the user.

This is generally helpful because it avoids drawing attention to parts
of the file that are unrelated to the change, but, in the case of these
"beautifying" linters, it means that some changes might not be included
in the final auto-fixed file diff.

Fortunately, we can bypass this filtering on a per-message basis.