Change getBadgedLabelForUser to use CharSequence

Bug: 16401636
Change-Id: I7b72a6dd53fec1c0afe6ea33803af9e3c54e597e

src/com/android/launcher3/compat/UserManagerCompatV16.java

@@ -45,7 +45,7 @@ public class UserManagerCompatV16 extends UserManagerCompat {
         return 0;
     }
 
-    public String getBadgedLabelForUser(String label, UserHandleCompat user) {
+    public CharSequence getBadgedLabelForUser(CharSequence label, UserHandleCompat user) {
         return label;
     }
 }