Add setting/experiment to send keycode sleep for ungaze when Home is the
foreground activity.

Bug: 77253874

Change-Id: Ic799eec8439786ae20bb366b9d4e93ec30d34070
diff --git a/core/tests/coretests/src/android/provider/SettingsBackupTest.java b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
index dfc99f6..981f949 100644
--- a/core/tests/coretests/src/android/provider/SettingsBackupTest.java
+++ b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
@@ -409,6 +409,7 @@
                     Settings.Global.UNINSTALLED_INSTANT_APP_MIN_CACHE_PERIOD,
                     Settings.Global.UNINSTALLED_INSTANT_APP_MAX_CACHE_PERIOD,
                     Settings.Global.UNUSED_STATIC_SHARED_LIB_MIN_CACHE_PERIOD,
+                    Settings.Global.UNGAZE_SLEEP_ENABLED,
                     Settings.Global.UNLOCK_SOUND,
                     Settings.Global.USE_GOOGLE_MAIL,
                     Settings.Global.VT_IMS_ENABLED,