Enable presubmit on ravenwood build files

Test: treehugger
Bug: 292141694
Change-Id: I237e7877aac7f19e787ec28b65685da3e964004d
diff --git a/TEST_MAPPING b/TEST_MAPPING
index d59775f..c904eb4 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -138,15 +138,13 @@
     }
   ],
   "postsubmit-ravenwood": [
-    // TODO(ravenwood) promote it to presubmit
-    // TODO: Enable it once the infra knows how to run it.
-//    {
-//      "name": "CtsUtilTestCasesRavenwood",
-//      "file_patterns": [
-//        "*Ravenwood*",
-//        "*ravenwood*"
-//      ]
-//    }
+    {
+      "name": "CtsUtilTestCasesRavenwood",
+      "host": true,
+      "file_patterns": [
+        "[Rr]avenwood"
+      ]
+    }
   ],
   "postsubmit-managedprofile-stress": [
     {