Move rialto to under guest

Bug: 352458998
Test: pass TH
Change-Id: Ifcc82f56491fd4b3a627626e079e89ea0f1f7c28
diff --git a/TEST_MAPPING b/TEST_MAPPING
index 80e085c..bdf6da9 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -123,7 +123,7 @@
       "path": "packages/modules/Virtualization/guest/pvmfw"
     },
     {
-      "path": "packages/modules/Virtualization/rialto"
+      "path": "packages/modules/Virtualization/guest/rialto"
     },
     {
       "path": "packages/modules/Virtualization/service_vm/client_vm_csr"