Add update_engine to media_rw group am: aff17cf208 am: 9b7a677b2c
am: 888037efd0

Change-Id: I23c07ddc355f2bd76a8f498e15a24e06f485d5ec
diff --git a/Android.bp b/Android.bp
index dac1acd..fef664e 100644
--- a/Android.bp
+++ b/Android.bp
@@ -724,3 +724,12 @@
         },
     },
 }
+
+// AIDL interface between libupdate_engine and the Things jar.
+filegroup {
+    name: "things_update_engine_aidl",
+    srcs: [
+        "binder_bindings/android/brillo/IUpdateEngine.aidl",
+        "binder_bindings/android/brillo/IUpdateEngineStatusCallback.aidl",
+    ],
+}