audio: Add support for audio recording using EC

- Add Support for Echo cancellation with Fluence topolog
  when fluence option selection from QC settings and num
  channels equal to one
- with Fluence option selection from QC settings and num
  of channels selected from sound recording is greater
  than one, apply Audio Topology without EC.

CRs-fixed: 437475
Change-Id: I583eec7eeba6b1acb1d35e249c2a19229c364088

Conflicts:

	alsa_sound/ALSADevice.cpp