Telephony: implement noise suppression for phone calls (2/2)

Forward port from cm-10.2

Change-Id: Ie72449f952f99b410fbb5bc4a8e6cbc833e6176f
Merge "Telephony: implement noise suppression for phone calls (2/2)" into cm-11.0
merge remote

Change-Id: If741cf3ddf8edf00574759e8a442d5565e26696f