large-file-support: add factory_fai to bad pkg Add factory_fai to the LFS exception list due to incomplete LFS support in Rust lang. BUG=b:298611618 TEST=emerge-kukui factory_fai Cq-Depend: chromium:4853029 Change-Id: Ie8017446ece46ab3f48168ab50051d2d94367d19 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosutils/+/4851497 Commit-Queue: Yu-An Wang <wyuang@google.com> Tested-by: Yu-An Wang <wyuang@google.com> Reviewed-by: Lee Presland <zland@google.com>