dbus changes: add SetGlobalOutputChannelRemix support

cras_audio_client_unittest is still wanted

BUG=598800

Review URL: https://codereview.chromium.org/1839943003

Cr-Commit-Position: refs/heads/master@{#384097}


CrOS-Libchrome-Original-Commit: a377c049175591928ea1507ef76242d913363011
3 files changed
tree: b0b1664ad8d3121ca9317098491f70f01d3dfe69
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/