merge in marshmallow-cts-release history after reset to marshmallow-cts-dev
diff --git a/property_contexts b/property_contexts
index 5bdb3c3..a724516 100644
--- a/property_contexts
+++ b/property_contexts
@@ -30,6 +30,7 @@
 debug.                  u:object_r:debug_prop:s0
 debug.db.               u:object_r:debuggerd_prop:s0
 log.                    u:object_r:shell_prop:s0
+security.perf_harden    u:object_r:shell_prop:s0
 service.adb.root        u:object_r:shell_prop:s0
 service.adb.tcp.port    u:object_r:shell_prop:s0