Do not follow symlinks

Change-Id: I66aa4f0af72aa1f0c50a47305b224bc313636287
CVE-2013-6124: https://www.codeaurora.org/projects/security-advisories/insecure-ownerpermission-changes-init-shell-scripts-cve-2013-6124
Merge branch "cm-11.0" into kylin