This adds several custom languages. The addition of Punjabi addresses Bug T178070. The addition of Chinese addresses Bug T73891. Georgian and Catalan (Valencian) variant spellings are added because these are the most frequent languages that are not found in the ULS search box. Bug: T73891 Bug: T178070 Change-Id: Ifbb08b560e454643d246379c19f725bde61917e9