Revert "Remove String version of getBadgedLabel"

This reverts commit ed0096c14ae1b17845bc9bb8fbb1cdc47adfdd68.

Change-Id: If026db7e804be81aaa02cfd2a4e1a0a03ee020f1

Author: Kenny Guy

core/java/android/os/UserManager.java

@@ -863,6 +863,15 @@ public CharSequence getBadgedLabelForUser(CharSequence label, UserHandle user) {
         return label;
     }
 
+    /**
+     * Kept during L development to simplify updating unbundled apps.
+     * TODO: Remove after 2014-08-04
+     * @hide
+     */
+    public String getBadgedLabelForUser(String label, UserHandle user) {
+        return (String) getBadgedLabelForUser((CharSequence) label, user);
+    }
+
     /**
      * If the target user is a managed profile of the calling user or the caller
      * is itself a managed profile, then this returns a drawable to use as a small