AppClone: Add preference to display new page Cloned Apps

Also adds a faeture flag and controller class for this page.
UX path: Apps > Cloned Apps

Bug: 249916503
Bug: 248235441
Test: manual
Test: make RunSettingsRoboTests -j30 ROBOTEST_FILTER=AppsPreferenceControllerTest
Test: make RunSettingsRoboTests -j30 ROBOTEST_FILTER=ClonedAppsPreferenceControllerTest
Change-Id: I2f68f4365ce08481c7db7bfdda4fdffc369321a9
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index 53960b4..342ab70 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -312,6 +312,8 @@
     public static class AppBubbleNotificationSettingsActivity extends SettingsActivity { /* empty */ }
     public static class NotificationAssistantSettingsActivity extends SettingsActivity{ /* empty */ }
     public static class NotificationAppListActivity extends SettingsActivity { /* empty */ }
+    /** Activity to manage Cloned Apps page */
+    public static class ClonedAppsListActivity extends SettingsActivity { /* empty */ }
     public static class NotificationReviewPermissionsActivity extends SettingsActivity { /* empty */ }
     public static class AppNotificationSettingsActivity extends SettingsActivity { /* empty */ }
     public static class ChannelNotificationSettingsActivity extends SettingsActivity { /* empty */ }