Add Rust/C++ Parcel serialization tests

This tests cross-language marshaling between C++ and Rust for all
available parcelable types.

Test: atest libbinder_rs-internal_test

Change-Id: I57fae844d58395ee85f0afa4604e1480262f1a4b
diff --git a/libs/binder/TEST_MAPPING b/libs/binder/TEST_MAPPING
index 00a14f4..2e90142 100644
--- a/libs/binder/TEST_MAPPING
+++ b/libs/binder/TEST_MAPPING
@@ -65,6 +65,9 @@
     },
     {
       "name": "binderRustNdkInteropTest"
+    },
+    {
+      "name": "rustBinderSerializationTest"
     }
   ]
 }