am 78b1511: AI 147541: Add cs as default language for cz.

Merge commit '78b1511d96f0b2123bfadf51c5c1ccf33cdd2b3d' into donut

* commit '78b1511d96f0b2123bfadf51c5c1ccf33cdd2b3d':
  AI 147541: Add cs as default language for cz.