Messaging: Nullability

Change-Id: I8bcde2a868a9c8989971d056be24ff4986e4f8f3

src/com/android/messaging/datamodel/action/DeleteConversationAction.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.
@@ -23,6 +24,8 @@ import android.os.Parcel;
 import android.os.Parcelable;
 import android.text.TextUtils;
 
+import androidx.annotation.NonNull;
+
 import com.android.messaging.Factory;
 import com.android.messaging.datamodel.BugleDatabaseOperations;
 import com.android.messaging.datamodel.BugleNotifications;
@@ -204,7 +207,7 @@ public class DeleteConversationAction extends Action implements Parcelable {
     };
 
     @Override
-    public void writeToParcel(final Parcel parcel, final int flags) {
+    public void writeToParcel(@NonNull final Parcel parcel, final int flags) {
         writeActionToParcel(parcel, flags);
     }
 }