Add Android.bp

Android.bp

@@ -0,0 +1,11 @@
+override_android_app {
+    name: "framework-overlay-updateengine",
+    base: "framework",
+    remove_files: ["core/java/android/os/UpdateEngine.java"],
+    add_files: ["frameworks/base/core/java/android/os/UpdateEngine.java"],
+    target: {
+        android: {
+            enabled: true,
+        },
+    },
+}