Add new system service CountryDetector

a. The CountryDetector detects the country the user is in
   in order of mobile network, location, sim card or locale.
   It will be used by contact and contact provider.

b. All added APIs are hidden at this stage.

Change-Id: I4ba278571ffb6ab6ded0996d4f440a18534f8ed4
diff --git a/Android.mk b/Android.mk
index 3afbfd7..696b117 100644
--- a/Android.mk
+++ b/Android.mk
@@ -163,6 +163,8 @@
 	core/java/com/android/internal/view/IInputMethodManager.aidl \
 	core/java/com/android/internal/view/IInputMethodSession.aidl \
 	core/java/com/android/internal/widget/IRemoteViewsFactory.aidl \
+	location/java/android/location/ICountryDetector.aidl \
+	location/java/android/location/ICountryListener.aidl \
 	location/java/android/location/IGeocodeProvider.aidl \
 	location/java/android/location/IGpsStatusListener.aidl \
 	location/java/android/location/IGpsStatusProvider.aidl \