selinux: Fix asec mounting

Change-Id: I92392f3d810dfaf8dfc35f5c9170178a651d28dc
diff --git a/sepolicy/sepolicy.mk b/sepolicy/sepolicy.mk
index d777804..f45c38f 100644
--- a/sepolicy/sepolicy.mk
+++ b/sepolicy/sepolicy.mk
@@ -7,6 +7,7 @@
     vendor/cm/sepolicy
 
 BOARD_SEPOLICY_UNION += \
+    file.te \
     file_contexts \
     fs_use \
     seapp_contexts \