Add setting for t9 search input locale

Change-Id: Ic0b97bab0279047cf7598f2c0c805a6975c65345

Conflicts:
	res/values/mahdi_strings.xml
	src/com/android/phone/CallFeaturesSetting.java

Conflicts:

	src/com/android/phone/CallFeaturesSetting.java
Kill camel case in dialpad t9 search labels

Change-Id: I3e655e94b28f140ce0258d1e8ad9c94f5b92349f
Cleanup.

Revert import changes that are both unneeded and violate coding style,
fixup coding style for some of our additions and simplify code.

Change-Id: I25f00e3ab16bde939cf82b0d3a0bfb77b90ac836

Conflicts:
	res/xml/call_feature_setting.xml
	src/com/android/phone/CallFeaturesSetting.java

Conflicts:

	src/com/android/phone/CallFeaturesSetting.java
Schism it all

Signed-off-by: Chintan Shah <cgintan1998@gmail.com>