Add a new(Empty) system service for AppFunctions project

A.K.A: Maestro

Flag: android.app.appfunctions.flags.enable_app_function_manager
BUG: 357551503
Test: Setup device with new service. No crash :).

Change-Id: I27e1782181ecda5f80574b1109c18e1d40608754
diff --git a/services/appfunctions/Android.bp b/services/appfunctions/Android.bp
new file mode 100644
index 0000000..f8ee823
--- /dev/null
+++ b/services/appfunctions/Android.bp
@@ -0,0 +1,25 @@
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "frameworks_base_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["frameworks_base_license"],
+}
+
+filegroup {
+    name: "services.appfunctions-sources",
+    srcs: ["java/**/*.java"],
+    path: "java",
+    visibility: ["//frameworks/base/services"],
+}
+
+java_library_static {
+    name: "services.appfunctions",
+    defaults: ["platform_service_defaults"],
+    srcs: [
+        ":services.appfunctions-sources",
+        "java/**/*.logtags",
+    ],
+    libs: ["services.core"],
+}