Add support for pulling icons for OfflineItems

components/offline_items_collection/core/android/java/src/org/chromium/components/offline_items_collection/OfflineItem.java

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.components.offline_items_collection;
 
 import org.chromium.base.annotations.SuppressFBWarnings;
 
 /**
  * This class is the Java counterpart to the C++ OfflineItem
@@ skipping 27 matching lines @@
 
     // In Progress Metadata.
     @OfflineItemState
     public int state;
     public boolean isResumable;
     public boolean allowMetered;
     public long receivedBytes;
     public int percentCompleted;
     public long timeRemainingMs;
 
-    OfflineItem() {
+    public OfflineItem() {
         id = new ContentId();
         filter = OfflineItemFilter.FILTER_OTHER;
         state = OfflineItemState.COMPLETE;
     }
 }