Added SIM Card Activity to Settings

+ Added SIM Card menu to Settings menu
+ Added SIM card detail dialog when selecting a SIM Card
+ Added ability to select the default SIM for Cellular data, Calls, and SMS

Bug: 16241745

Change-Id: I43437aa4c591c5097a8865d564f88726671e1b7d

src/com/android/settings/notification/DropDownPreference.java

@@ -106,6 +106,11 @@ public class DropDownPreference extends Preference {
         mValues.add(value);
     }
 
+    public void clearItems(){
+        mAdapter.clear();
+        mValues.clear();
+    }
+
     @Override
     protected void onBindView(View view) {
         super.onBindView(view);
@@ -123,4 +128,4 @@ public class DropDownPreference extends Preference {
     public interface Callback {
         boolean onItemSelected(int pos, Object value);
     }
-}
+}