Hide Notification when downloading the keyboard metadata

Bug: 21797386
Change-Id: Iebe9d2f18c5c8325a5601d49d8c4c65166b67036
diff --git a/java/src/com/android/inputmethod/dictionarypack/UpdateHandler.java b/java/src/com/android/inputmethod/dictionarypack/UpdateHandler.java
index 6570171..f30f248 100644
--- a/java/src/com/android/inputmethod/dictionarypack/UpdateHandler.java
+++ b/java/src/com/android/inputmethod/dictionarypack/UpdateHandler.java
@@ -246,13 +246,10 @@
             }
             metadataRequest.setAllowedOverRoaming(res.getBoolean(R.bool.allow_over_roaming));
         }
-        final boolean notificationVisible = updateNow
-                ? res.getBoolean(R.bool.display_notification_for_user_requested_update)
-                : res.getBoolean(R.bool.display_notification_for_auto_update);
 
         metadataRequest.setTitle(res.getString(R.string.download_description));
-        metadataRequest.setNotificationVisibility(notificationVisible
-                ? Request.VISIBILITY_VISIBLE : Request.VISIBILITY_HIDDEN);
+        // Do not show the notification when downloading the metadata.
+        metadataRequest.setNotificationVisibility(Request.VISIBILITY_HIDDEN);
         metadataRequest.setVisibleInDownloadsUi(
                 res.getBoolean(R.bool.metadata_downloads_visible_in_download_UI));