Add setting for t9 search input locale

Change-Id: Ic0b97bab0279047cf7598f2c0c805a6975c65345

Conflicts:
	res/values/cm_strings.xml
	src/com/android/phone/CallFeaturesSetting.java
Kill camel case in dialpad t9 search labels

Change-Id: I3e655e94b28f140ce0258d1e8ad9c94f5b92349f