Support forced Night Display auto mode

Bug: 69973773
Test: make -j100

Change-Id: Ifc1cb5d35f5d5b4ad988b8add04008332cf37dbe
diff --git a/core/tests/coretests/src/android/provider/SettingsBackupTest.java b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
index 38e20a1..44ad3d8 100644
--- a/core/tests/coretests/src/android/provider/SettingsBackupTest.java
+++ b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
@@ -305,6 +305,7 @@
                     Settings.Global.NETWORK_SWITCH_NOTIFICATION_RATE_LIMIT_MILLIS,
                     Settings.Global.NETWORK_WATCHLIST_ENABLED,
                     Settings.Global.NEW_CONTACT_AGGREGATOR,
+                    Settings.Global.NIGHT_DISPLAY_FORCED_AUTO_MODE_AVAILABLE,
                     Settings.Global.NITZ_UPDATE_DIFF,
                     Settings.Global.NITZ_UPDATE_SPACING,
                     Settings.Global.NOTIFICATION_SNOOZE_OPTIONS,