Fix adding duplicate Bookmarks

- It is a requirement to disallow
adding multiple bookmarks with the
same "label".

Change-Id: I991696482bec599d357ebf6468f24471eccc0338
diff --git a/src/com/android/browser/AddBookmarkPage.java b/src/com/android/browser/AddBookmarkPage.java
index d067d19..0ddcc76 100644
--- a/src/com/android/browser/AddBookmarkPage.java
+++ b/src/com/android/browser/AddBookmarkPage.java
@@ -980,9 +980,9 @@
 
         Cursor cursor = cr.query(BrowserContract.Bookmarks.CONTENT_URI,
                 BookmarksLoader.PROJECTION,
-                "url = ? AND parent = ?",
+                "(url = ? OR title = ?) AND parent = ?",
                 new String[] {
-                        url, Long.toString(mCurrentFolder)
+                        url, mTitle.getText().toString().trim(), Long.toString(mCurrentFolder)
                 },
                 null);