Add a secure settings for cross profile calendar feature.

A toggle will be added in Settings -> Work profile settings for user
to control this setting.

Bug: 118445542
Test: .manual
Change-Id: If8b882dd101688f35fb117d83a801b5c80aab367
diff --git a/core/tests/coretests/src/android/provider/SettingsBackupTest.java b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
index 8f58330..a30384a 100644
--- a/core/tests/coretests/src/android/provider/SettingsBackupTest.java
+++ b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
@@ -661,7 +661,8 @@
                  Settings.Secure.SUPPRESS_AUTO_BATTERY_SAVER_SUGGESTION,
                  Settings.Secure.PACKAGES_TO_CLEAR_DATA_BEFORE_FULL_RESTORE,
                  Settings.Secure.FLASHLIGHT_AVAILABLE,
-                 Settings.Secure.FLASHLIGHT_ENABLED);
+                 Settings.Secure.FLASHLIGHT_ENABLED,
+                 Settings.Secure.CROSS_PROFILE_CALENDAR_ENABLED);
 
     @Test
     public void systemSettingsBackedUpOrBlacklisted() {