[CrOS Settings] Update input enable when additions/removals are made.

Currently, the input enable does not update correctly when words are
added or removed from the user's spell check dictionary.  This CL
ensures that the input enable is updated correctly.

Bug: 914738
Change-Id: I743a0dd50a33af030d0e11bbd68938c02dc9256a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1529709
Reviewed-by: Steven Bennetts <stevenjb@chromium.org>
Commit-Queue: Regan Hsu <hsuregan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#642377}
1 file changed