Updating language-data.
Add the following languages:
* Northern Ndebele (nd)
* Okanagan (oka)
Update autonyms for the following languages:
* Kurdish (ku)
* Korean (DPRK variant, ko-kp)
Updating to
78a0b4bf78
Change-Id: I849ba68d099735ab12fc23a890265603d60955c3