Open downloads from notifications.

Bug:3116742

When moving to the public API, notifications no longer
worked as expected.  Make downloads show after completing,
and use the public API in OpenDownloadReceiver.

Change-Id: Ia15000de4a66e8728b43fc53f428e098503b003b
diff --git a/src/com/android/browser/BrowserActivity.java b/src/com/android/browser/BrowserActivity.java
index 072a0b1..799a8da 100644
--- a/src/com/android/browser/BrowserActivity.java
+++ b/src/com/android/browser/BrowserActivity.java
@@ -3187,6 +3187,8 @@
         request.setDescription(webAddress.getHost());
         String cookies = CookieManager.getInstance().getCookie(url);
         request.addRequestHeader("cookie", cookies);
+        request.setNotificationVisibility(
+                DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
         if (mimetype == null) {
             ContentValues values = new ContentValues();
             values.put(FetchUrlMimeType.URI, addressString);