Correct the year definition in Android.bp of messagingtest

The year should keep the same from Android.mk.

Bug: 309369044
Test: N/A
Change-Id: I8b9de35a8df93ebe66c840b8155c3a852b17ce48

tests/Android.bp

-//  Copyright (C) 2023 The Android Open Source Project
+//  Copyright (C) 2015 The Android Open Source Project
 //
 //  Licensed under the Apache License, Version 2.0 (the "License");
 //  you may not use this file except in compliance with the License.