Add /data/security test

No world writable /data/security

Change-Id: I7a2964a388b985c8c9ff7401819a51896fa252f3
diff --git a/tests/tests/permission/src/android/permission/cts/FileSystemPermissionTest.java b/tests/tests/permission/src/android/permission/cts/FileSystemPermissionTest.java
index 97631a3..9433685 100644
--- a/tests/tests/permission/src/android/permission/cts/FileSystemPermissionTest.java
+++ b/tests/tests/permission/src/android/permission/cts/FileSystemPermissionTest.java
@@ -399,6 +399,7 @@
                     "/data/property",
                     "/data/radio",
                     "/data/secure",
+                    "/data/security",
                     "/data/sensors",
                     "/data/shared",
                     "/data/simcom",