CRAS: Add SetNoiseCancellationEnabled method on dbus_control

Exposing SetNoiseCancellationEnabled command so that Noise Cancellation
enabling flag in cras_server_state can be set from crosh.

BUG=b:170281884
TEST=dbus-send --system --type=method_call --print-reply \
  --dest=org.chromium.cras /org/chromium/cras \
  org.chromium.cras.Control.SetNoiseCancellationEnabled \
  boolean:true

Change-Id: I7a068c5d8268cec0ee05d78f8ab23e18051e27c3
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/adhd/+/2638848
Tested-by: Pin-chih Lin <johnylin@chromium.org>
Commit-Queue: Pin-chih Lin <johnylin@chromium.org>
Reviewed-by: Cheng-Yi Chiang <cychiang@chromium.org>
Reviewed-by: Curtis Malainey <cujomalainey@chromium.org>
Auto-Submit: Pin-chih Lin <johnylin@chromium.org>
4 files changed