Filtering: Fix case when no values set for max filtered values

BUG=None
TEST=local

Change-Id: Ib6f039177609f5caa82dc5bf54aaa17d85de9fe3
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/4756311
Tested-by: Derek Beckett <dbeckett@chromium.org>
Reviewed-by: Jesse McGuire <jessemcguire@google.com>
Commit-Queue: Derek Beckett <dbeckett@chromium.org>
1 file changed