Remove activity alias and add new activity

android/java/AndroidManifest.xml

@@ -188,7 +188,7 @@
     </intent-filter>
 </service>
 
-<!-- This activity alias is for search provider widget -->
-<activity-alias android:name="org.chromium.chrome.browser.searchwidget.SearchWidgetProviderActivity"
-    android:targetActivity="org.chromium.chrome.browser.searchwidget.SearchActivity"
-    android:exported="true" />
+<!-- This activity is used for search provider widget -->
+<activity android:name="org.chromium.chrome.browser.searchwidget.SearchWidgetProviderActivity"
+    android:theme="@style/Theme.Chromium.SearchActivity"
+    android:exported="true"/>

android/java/org/chromium/chrome/browser/searchwidget/SearchWidgetProviderActivity.java

@@ -0,0 +1,19 @@
+/**
+ * Copyright (c) 2022 The Brave Authors. All rights reserved.
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+package org.chromium.chrome.browser.searchwidget;
+
+import android.content.Intent;
+
+import org.chromium.chrome.browser.searchwidget.SearchActivity;
+
+public class SearchWidgetProviderActivity extends SearchActivity {
+    @Override
+    public void onNewIntent(Intent intent) {
+        super.onNewIntent(intent);
+    }
+}