Messaging: Nullability

Change-Id: I8bcde2a868a9c8989971d056be24ff4986e4f8f3

src/com/android/messaging/ui/appsettings/ApplicationSettingsActivity.java

@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2015 The Android Open Source Project
+ * Copyright (C) 2024 The LineageOS Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,6 +26,8 @@ import android.preference.PreferenceFragment;
 import android.preference.PreferenceScreen;
 import android.preference.SwitchPreference;
 import android.provider.Settings;
+
+import androidx.annotation.NonNull;
 import androidx.core.app.NavUtils;
 import android.text.TextUtils;
 import android.view.Menu;
@@ -65,7 +68,7 @@ public class ApplicationSettingsActivity extends BugleActionBarActivity {
     }
 
     @Override
-    public boolean onOptionsItemSelected(final MenuItem item) {
+    public boolean onOptionsItemSelected(@NonNull final MenuItem item) {
         switch (item.getItemId()) {
         case android.R.id.home:
             NavUtils.navigateUpFromSameTask(this);