am 819c102: am 78b1511: AI 147541: Add cs as default language for cz.

Merge commit '819c102394bfee2960997fb3fa0c85d3b6427dfc'

* commit '819c102394bfee2960997fb3fa0c85d3b6427dfc':
  AI 147541: Add cs as default language for cz.