loader: fix dlopen performance regression caused by fix for CVE-2017-0670 am:...

loader: fix dlopen performance regression caused by fix for CVE-2017-0670 am: d6b25861 am: a5f74a4a  -s ours am: 3c77ef53 am: 6cb0d4b2 am: 781c67bd am: 86662469 am: 9bc88caa am: 2542cfdb am: ee7deb73 am: 46dfffdc am: 43475fda am: ac62e828 am: 1001ee78
am: eba2e77e

Change-Id: I39233540d7e5d22552231a0050664d3d9f479e27