logcmdutil: add a type annotation
This wasn't actually required in the end, as there was a real bug
found by pytype, but the annotation helped me figure that out. We can
drop this patch if that's the preference.
Differential Revision: https://phab.mercurial-scm.org/D7382
cmdutil: add a pytype annotation to help out some callsites
I think we could constrain the values here more than Any, but this
lets us move forward with typechecking commands.py.
Differential Revision: https://phab.mercurial-scm.org/D7381