Update the BUILD_OSS to 4617.
Update the BUILD_OSS to 4617.

* Code refactoring
* Added entries to aux_dictionary.tsv
* Made file paths configurable

PiperOrigin-RevId: 422170563

google/mozc,google/mozc,google/mozc,google/mozc,fcitx/mozc,fcitx/mozc,fcitx/mozc,google/mozc,fcitx/mozc,fcitx/mozc