Expose Lock screen notifications settings page.

Expose the Lock screen notifications settings page for intents.

Bug: 367455695
Flag: com.android.server.notification.notification_lock_screen_settings
Test: atest
Change-Id: I439e214f5a9bfda40777ffb60ca0bbf2a15e196d
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index d5cf9aa..aa52a2a 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -131,6 +131,9 @@
     public static class AccessibilityDaltonizerSettingsActivity extends SettingsActivity { /* empty */ }
     /** Activity for lockscreen settings. */
     public static class LockScreenSettingsActivity extends SettingsActivity { /* empty */ }
+    /** Activity for notifications on lockscreen settings. */
+    public static class LockScreenNotificationsSettingsActivity
+            extends SettingsActivity { /* empty */ }
     /** Activity for bluetooth pairing settings. */
     public static class BlueToothPairingActivity extends SettingsActivity { /* empty */ }
     /** Activity for Reduce Bright Colors. */
diff --git a/src/com/android/settings/core/gateway/SettingsGateway.java b/src/com/android/settings/core/gateway/SettingsGateway.java
index 8541c7a..38dfda4 100644
--- a/src/com/android/settings/core/gateway/SettingsGateway.java
+++ b/src/com/android/settings/core/gateway/SettingsGateway.java
@@ -156,6 +156,7 @@
 import com.android.settings.network.tether.TetherSettings;
 import com.android.settings.nfc.PaymentSettings;
 import com.android.settings.notification.ConfigureNotificationSettings;
+import com.android.settings.notification.LockScreenNotificationsPreferencePageFragment;
 import com.android.settings.notification.NotificationAccessSettings;
 import com.android.settings.notification.NotificationAssistantPicker;
 import com.android.settings.notification.PoliteNotificationsPreferenceFragment;
@@ -365,6 +366,7 @@
             EnterprisePrivacySettings.class.getName(),
             WebViewAppPicker.class.getName(),
             LockscreenDashboardFragment.class.getName(),
+            LockScreenNotificationsPreferencePageFragment.class.getName(),
             MemtagPage.class.getName(),
             BluetoothDeviceDetailsFragment.class.getName(),
             BluetoothBroadcastDialog.class.getName(),