Storing BitmapInfo instead of icon and color directly in itemInfo

This will allow subclassing BitmapInfo to support custom icon/dynamic
icons which can be loaded on the background thread instead of going
through IconFactory which runs on UiThread

Change-Id: Ieced6e91330bdff1b505826d097a8df711dfe967

src/com/android/launcher3/model/PackageUpdatedTask.java

@@ -189,7 +189,7 @@ public class PackageUpdatedTask extends BaseModelUpdateTask {
                             BitmapInfo iconInfo = li.createIconBitmap(si.iconResource);
                             li.recycle();
                             if (iconInfo != null) {
-                                si.applyFrom(iconInfo);
+                                si.bitmap = iconInfo;
                                 infoUpdated = true;
                             }
                         }