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

src/com/android/settings/applications/specialaccess/ZenAccessController.java

@@ -23,13 +23,16 @@ import com.android.settings.core.BasePreferenceController;
 
 public class ZenAccessController extends BasePreferenceController {
 
+    private final ActivityManager mActivityManager;
+
     public ZenAccessController(Context context, String preferenceKey) {
         super(context, preferenceKey);
+        mActivityManager = (ActivityManager) mContext.getSystemService(Context.ACTIVITY_SERVICE);
     }
 
     @Override
     public int getAvailabilityStatus() {
-        return !ActivityManager.isLowRamDeviceStatic()
+        return !mActivityManager.isLowRamDevice()
                 ? AVAILABLE_UNSEARCHABLE
                 : UNSUPPORTED_ON_DEVICE;
     }