Aperture: Switch Android.bp to SPDX

Change-Id: Id35857df5e072543ec2ea8fb2c66a593f9d3ae7d
diff --git a/app/Android.bp b/app/Android.bp
index 9b8093c..baa3ffc 100644
--- a/app/Android.bp
+++ b/app/Android.bp
@@ -1,6 +1,5 @@
 //
-// Copyright (C) 2022-2023 The LineageOS Project
-//
+// SPDX-FileCopyrightText: 2022-2023 The LineageOS Project
 // SPDX-License-Identifier: Apache-2.0
 //