am b65dba45: Merge change 5470 into donut

Merge commit 'b65dba4560f7aff894ebcdbe8468daeaae3489c8'

* commit 'b65dba4560f7aff894ebcdbe8468daeaae3489c8':
  Use the same interface in the TTS engine interface for setLanguage and loadLanguage.