Messaging: Nullability

Change-Id: I8bcde2a868a9c8989971d056be24ff4986e4f8f3

src/com/android/messaging/ui/conversation/ConversationActivity.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.
@@ -22,6 +23,8 @@ import android.content.Intent;
 import android.graphics.Rect;
 import android.net.Uri;
 import android.os.Bundle;
+
+import androidx.annotation.NonNull;
 import androidx.appcompat.app.ActionBar;
 import android.text.TextUtils;
 import android.view.MenuItem;
@@ -119,7 +122,7 @@ public class ConversationActivity extends BugleActionBarActivity
     }
 
     @Override
-    protected void onSaveInstanceState(final Bundle outState) {
+    protected void onSaveInstanceState(@NonNull final Bundle outState) {
         super.onSaveInstanceState(outState);
         // After onSaveInstanceState() is called, future changes to mUiState won't update the UI
         // anymore, because fragment transactions are not allowed past this point.
@@ -187,7 +190,7 @@ public class ConversationActivity extends BugleActionBarActivity
     }
 
     @Override
-    public boolean onOptionsItemSelected(final MenuItem menuItem) {
+    public boolean onOptionsItemSelected(@NonNull final MenuItem menuItem) {
         if (super.onOptionsItemSelected(menuItem)) {
             return true;
         }