Create a stub for SupervisionService.

Test: adb shell dumpsys supervision
Change-Id: I63ee5b4fa46fac4ac285ea053fb168c24a43063c
Flag: android.app.supervision.flags.supervision_api
Bug: 336297680
Bug: 356895431
Bug: 356895439
diff --git a/services/supervision/Android.bp b/services/supervision/Android.bp
new file mode 100644
index 0000000..93a0c4a
--- /dev/null
+++ b/services/supervision/Android.bp
@@ -0,0 +1,22 @@
+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.supervision-sources",
+    srcs: ["java/**/*.java"],
+    path: "java",
+    visibility: ["//frameworks/base/services"],
+}
+
+java_library_static {
+    name: "services.supervision",
+    defaults: ["platform_service_defaults"],
+    srcs: [":services.supervision-sources"],
+    libs: ["services.core"],
+}