vendor: sepolicy for ota

Change-Id: I01b149db633a8070348dea2ff73705132dd4750a
diff --git a/sepolicy/private/otapreopt_chroot.te b/sepolicy/private/otapreopt_chroot.te
index 3d965e2..7612313 100644
--- a/sepolicy/private/otapreopt_chroot.te
+++ b/sepolicy/private/otapreopt_chroot.te
@@ -1,2 +1,3 @@
 allow otapreopt_chroot postinstall_file:lnk_file read;
-#allow otapreopt_chroot system_file:dir mounton;
+allow otapreopt_chroot system_file:dir mounton;
+