audio: workaround for mono-speaker no sound issue

- Currently, set parameter is failed in ADSP and FVSM
  moudle use one channel as inital.
- Will revert this change after fixing issue of setting
  parameter.

Bug: 145711082
Test: 1. Build pass
      2. Audio function (playback/record/voice call/VoIP)

Change-Id: Id57b7348ffb7d79b62904be1dc005a30dabfb31a
Signed-off-by: Jasmine Cha <chajasmine@google.com>