Add feature flag for "show hidden launcher icon apps"
and "install app notification"

Bug: 111214100
Test: CTS test will be submitted with flag enabling commit
Change-Id: I604d75dc48e09039619f571d418a700106cbdd5d
diff --git a/core/tests/coretests/src/android/provider/SettingsBackupTest.java b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
index 4980210..329ae32 100644
--- a/core/tests/coretests/src/android/provider/SettingsBackupTest.java
+++ b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
@@ -393,7 +393,9 @@
                     Settings.Global.SETTINGS_USE_PSD_API,
                     Settings.Global.SHORTCUT_MANAGER_CONSTANTS,
                     Settings.Global.SHOW_FIRST_CRASH_DIALOG,
+                    Settings.Global.SHOW_HIDDEN_LAUNCHER_ICON_APPS_ENABLED,
                     Settings.Global.SHOW_MUTE_IN_CRASH_DIALOG,
+                    Settings.Global.SHOW_NEW_APP_INSTALLED_NOTIFICATION_ENABLED,
                     Settings.Global.SHOW_NOTIFICATION_CHANNEL_WARNINGS,
                     Settings.Global.SHOW_RESTART_IN_CRASH_DIALOG,
                     Settings.Global.SHOW_TEMPERATURE_WARNING,