am bfdc6b50: Merge "Improve toString() methods for audio classes to help with debugging" into lmp-mr1-dev automerge: ac7d8c5 automerge: 9f08a9f

* commit 'bfdc6b50f49d6b0f352d0a8c0d63bbde0c6038e8':
  Improve toString() methods for audio classes to help with debugging