Add back noise suppression.

Change-Id: I6538b7ec335ff94d5fa67748e09257c4d352f660
Return: National Data Roaming [2/3]

Credits: CM

PS 2 : Fixed Deprecated onPreferenceTreeClick
PS 3 : Trim lines length
PS 4 : Fix FC

Change-Id: I1230c8e227e787f51bea0ae3756892ab4f6e5144
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_packages_services_Telephony into cm-11.0
Merge branch 'cm-11.0' of https://github.com/temasek/android_packages_services_Telephony into HEAD

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

Change-Id: Ia8070378355f80450dce2a1e888004c4941646fc