sepolicy for custom_vm_setup

Bug: 346676738
Test: run the app
Change-Id: I3b5a36f4db53f8cbd1ef21cd4c25b47907812250
diff --git a/private/shell.te b/private/shell.te
index e421ec6..d613a94 100644
--- a/private/shell.te
+++ b/private/shell.te
@@ -468,6 +468,10 @@
 # Allow shell to start up vendor shell
 allow shell vendor_shell_exec:file rx_file_perms;
 
+is_flag_enabled(RELEASE_AVF_SUPPORT_CUSTOM_VM_WITH_PARAVIRTUALIZED_DEVICES, `
+  allow shell custom_vm_setup_exec:file { entrypoint r_file_perms };
+')
+
 # Everything is labeled as rootfs in recovery mode. Allow shell to
 # execute them.
 recovery_only(`