am b4c218e: AI 147994: First cut of CharsetUtils, a utility class that a

Merge commit 'b4c218eafd382da778bcc0006de9b8fce267a9cd' into donut

* commit 'b4c218eafd382da778bcc0006de9b8fce267a9cd':
  AI 147994: First cut of CharsetUtils, a utility class that aims to