vendor sepolicy genesis v2

Change-Id: I1ccf1ffed326c1ae7d008a847b11b58227b7e7e3
diff --git a/sepolicy/private/file_contexts b/sepolicy/private/file_contexts
new file mode 100644
index 0000000..40295bb
--- /dev/null
+++ b/sepolicy/private/file_contexts
@@ -0,0 +1,4 @@
+# Postinstall
+/system/bin/backuptool_ab\.functions              u:object_r:otapreopt_chroot_exec:s0
+/system/bin/backuptool_ab\.sh                     u:object_r:otapreopt_chroot_exec:s0
+/system/bin/backuptool_postinstall\.sh            u:object_r:otapreopt_chroot_exec:s0