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-tracking branch 'cm/cm-11.0' into HEAD

Conflicts:
	src/com/android/phone/CallFeaturesSetting.java

Change-Id: Ic9089de1ed803a762e4741f3d99a006b85a7bd0d