Click on notification for unfinished download, open downloads page.

BrowserActivity:
Use OpenDownloadReceiver as class name, so that it will handle the
notification from download manager.

OpenDownloadReceiver:
If the download is not complete, show the downloads page.

Bug 2606772

Change-Id: Ifeeac0943650552c6da232cf98088bbf958fd403
diff --git a/src/com/android/browser/BrowserActivity.java b/src/com/android/browser/BrowserActivity.java
index 607dc38..5e55789 100644
--- a/src/com/android/browser/BrowserActivity.java
+++ b/src/com/android/browser/BrowserActivity.java
@@ -2901,7 +2901,7 @@
         values.put(Downloads.Impl.COLUMN_NOTIFICATION_PACKAGE,
                 getPackageName());
         values.put(Downloads.Impl.COLUMN_NOTIFICATION_CLASS,
-                BrowserDownloadPage.class.getCanonicalName());
+                OpenDownloadReceiver.class.getCanonicalName());
         values.put(Downloads.Impl.COLUMN_VISIBILITY,
                 Downloads.Impl.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
         values.put(Downloads.Impl.COLUMN_MIME_TYPE, mimetype);