Change getBadgedLabelForUser to use CharSequence

Bug: 16401636
Change-Id: I7b72a6dd53fec1c0afe6ea33803af9e3c54e597e
diff --git a/src/com/android/launcher3/IconCache.java b/src/com/android/launcher3/IconCache.java
index 7d8628d..221df58 100644
--- a/src/com/android/launcher3/IconCache.java
+++ b/src/com/android/launcher3/IconCache.java
@@ -64,8 +64,8 @@
 
     private static class CacheEntry {
         public Bitmap icon;
-        public String title;
-        public String contentDescription;
+        public CharSequence title;
+        public CharSequence contentDescription;
     }
 
     private static class CacheKey {