am 4d1128b2: am 8eaf18b0: Merge "Documenting behavior of returning a 0-length array for formats, channels, rates queries for analog devices." into mnc-dev

* commit '4d1128b2b97ab1b6cc711437a5bb5e4a86de6735':
  Documenting behavior of returning a 0-length array for formats, channels, rates queries for analog devices.