cm: sepolicy: fix performance settings

Change-Id: Idea17856b4aef9258688a3ad58d0e5cac6d805a6
diff --git a/sepolicy/sepolicy.mk b/sepolicy/sepolicy.mk
index 1a9b343..d916a04 100644
--- a/sepolicy/sepolicy.mk
+++ b/sepolicy/sepolicy.mk
@@ -25,6 +25,7 @@
     su.te \
     sysinit.te \
     system.te \
+    system_app.te \
     ueventd.te \
     vold.te \
     mac_permissions.xml