selinux: Fix asec mounting

Change-Id: I92392f3d810dfaf8dfc35f5c9170178a651d28dc
diff --git a/sepolicy/file.te b/sepolicy/file.te
new file mode 100644
index 0000000..95a9c38
--- /dev/null
+++ b/sepolicy/file.te
@@ -0,0 +1,2 @@
+# Support asec containers getting mounted
+allow file_type rootfs:filesystem associate;