In the back-to-front land of Oz there is no serious official thought ever given to the task of translating the Constitution into the original languages of Australia.
Indeed, the ‘expert panel’ looking into the long overdue matter of Constitution recognition of Australia’s First Peoples came up with a recommendation that English be constitutionally recognised, but not the original languages.
These original languages are treasures of our planet.
For a good update on some aspects of the struggle to keep the surviving languages viable see:
“Background to the use of Aboriginal languages in NT schools (bilingual education)”