Make the default value of in-call noise suppression configurable.

Change-Id: I1dc0b6085807c49370a06243689b70ea4b91732b

Conflicts:
	packages/SettingsProvider/res/values/defaults.xml
	packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java
cleanup an old derp

Change-Id: I68801d30b84e94d97fa7d7aa77dedec1e0d1b331