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 branch 'cm-11.0' of https://github.com/CyanogenMod/android_packages_services_Telephony into cm-11.0_HAZE