java_api_contribution module definition for Virtualization

Add public API surface java_api_contribution
module definitions for Virtualization API domain

Test: m
Change-Id: If12f20ac2f5da7c300c2dfc962973b0334d95f4f

javalib/Android.bp

@@ -56,3 +56,12 @@ prebuilt_apis {
     name: "android-virtualization-framework-sdk",
     api_dirs: ["32"],
 }
+
+java_api_contribution {
+    name: "framework-virtualization-public-stubs",
+    api_surface: "public",
+    api_file: "api/current.txt",
+    visibility: [
+        "//build/orchestrator/apis",
+    ],
+}