loader: fix dlopen performance regression caused by fix for CVE-2017-0670 am: d6b25861d0 am: a5f74a4a80  -s ours am: 3c77ef5326 am: 6cb0d4b2aa am: 781c67bd62 am: 8666246971 am: 9bc88caa31
am: 2542cfdb44

Change-Id: Ie9bce8dfd0722e50026a0aa5d1d81c70725fcd28