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/IconCache.java

@@ -65,6 +65,7 @@ public class IconCache {
     private static class CacheEntry {
         public Bitmap icon;
         public String title;
+        public String contentDescription;
     }
 
     private static class CacheKey {
@@ -240,6 +241,7 @@ public class IconCache {
 
             application.title = entry.title;
             application.iconBitmap = entry.icon;
+            application.contentDescription = entry.contentDescription;
         }
     }
 
@@ -262,6 +264,7 @@ public class IconCache {
             CacheEntry entry = cacheLocked(component, launcherActInfo, null, user);
             if (title != null) {
                 entry.title = title;
+                entry.contentDescription = mUserManager.getBadgedLabelForUser(title, user);
             }
             return entry.icon;
         }
@@ -310,6 +313,7 @@ public class IconCache {
                     }
                 }
 
+                entry.contentDescription = mUserManager.getBadgedLabelForUser(entry.title, user);
                 entry.icon = Utilities.createIconBitmap(
                         info.getBadgedIcon(mIconDpi), mContext);
             } else {