am fbd5a59d: am 4fc04f16: Merge "RTP: Add a baseline echo suppressor." into gingerbread

Merge commit 'fbd5a59da9a455bc1c54a80bd5b3afeb426a8e3d'

* commit 'fbd5a59da9a455bc1c54a80bd5b3afeb426a8e3d':
  RTP: Add a baseline echo suppressor.