Add content description to bagded icons.

Enabled accesibility so that icons badged by the
managed profile have a content description
that is different to the non-bagdged version.

Bug: 15106236
Change-Id: Id483273173d9539916eebd59111d179087526be3

src/com/android/launcher3/ShortcutInfo.java

@@ -113,10 +113,12 @@ public class ShortcutInfo extends ItemInfo {
         }
     }
 
-    ShortcutInfo(Intent intent, CharSequence title, Bitmap icon, UserHandleCompat user) {
+    ShortcutInfo(Intent intent, CharSequence title, String contentDescrition,
+            Bitmap icon, UserHandleCompat user) {
         this();
         this.intent = intent;
         this.title = title;
+        this.contentDescription = contentDescription;
         mIcon = icon;
         this.user = user;
     }