Add some pages to search index.

* Notification access page
* VR Listener page
* Feature flags in dev options
* QS Tile developer options
* User dictionary
* Billing cycle
* Some accessibilty pages

Bug: 70720645
Test: robotests
Change-Id: I4f7d3d65b2803cebf178ac345a79721232df707c
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 9a3a179..efea32c 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -2423,7 +2423,7 @@
                 <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
             <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
-                       android:value="com.android.settings.applications.VrListenerSettings" />
+                       android:value="com.android.settings.applications.specialaccess.vrlistener.VrListenerSettings" />
         </activity>
 
         <activity