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 Change-Id: I3a1e3dfa091c3e43c1e73700db6d6c9c686b54ef