Beta: Add requested languages for ContentTranslation

• Aragonese (an),
• Asturian (ast),
• Bashkir (ba),
• Basque (eu)
• Chuvash (cv),
• Galician (gl)
• Komi (kv),
• Lezgi (lez),
• Occitan (oc),
• Perm-Komi (koi),
• Sakha (sah),
• Tuvan (tyv),
• Udmurt (udm)

Also, added missing Gujarati (gu) source languages.

Bug: T95536 T95842
Change-Id: I291d3163b856db69dbb77f6b885e0a6c193d3c09