am b3c5a878: Made the platform TTS service aware of the path for the default TTS library to load.

Merge commit 'b3c5a8785bc643843117752d37769a1edfe9a9e2'

* commit 'b3c5a8785bc643843117752d37769a1edfe9a9e2':
  Made the platform TTS service aware of the path for the default TTS library to load.