Limiting, but it looks like a valid solution. Android's native i18n is a mess.
We went down the route of duplicating strings between `/values-heb` and `/values-iw` to fix the platform issues, even though the change from `iw` -> `heb` was enacted in ISO 639:1989.[0]
OP's change is questionable in that it may block regional dialects: `[zh-CN, zh-TW]; [pt-PT, pt-BR]` in case the system default is set incorrectly, but it will suffice for most Android apps which will realistically only be in a small subset of 'easy' languages.
