Support signing payload with 4096 bits RSA keys am: cda3c034bc am: 5bb6cf142b
am: fc7180cb5a

Change-Id: I986de5b75d30d7b02d8bf4be519b860f08913e85
diff --git a/Android.bp b/Android.bp
index 8b1730b..284845d 100644
--- a/Android.bp
+++ b/Android.bp
@@ -728,3 +728,12 @@
         },
     },
 }
+
+// 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",
+    ],
+}