MASTER - Add signal for last active user in global settings.

Bug: 112759705
Test: build
Change-Id: Ib68b3c643f86ef1d4b441dc3e6d535cf5e7430ae
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 7df42eb..f7676a2 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -13307,6 +13307,23 @@
          * @hide
          */
         public static final String BINDER_CALLS_STATS = "binder_calls_stats";
+
+        /**
+         * Default user id to boot into. They map to user ids, for example, 10, 11, 12.
+         *
+         * @hide
+         */
+        public static final String DEFAULT_USER_ID_TO_BOOT_INTO = "default_boot_into_user_id";
+
+        /**
+         * Persistent user id that is last logged in to.
+         *
+         * They map to user ids, for example, 10, 11, 12.
+         *
+         * @hide
+         */
+        public static final String LAST_ACTIVE_USER_ID = "last_active_persistent_user_id";
+
     }
 
     /**
diff --git a/core/tests/coretests/src/android/provider/SettingsBackupTest.java b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
index 189a4aa..517cf4d 100644
--- a/core/tests/coretests/src/android/provider/SettingsBackupTest.java
+++ b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
@@ -192,6 +192,7 @@
                     Settings.Global.DEFAULT_DNS_SERVER,
                     Settings.Global.DEFAULT_INSTALL_LOCATION,
                     Settings.Global.DEFAULT_RESTRICT_BACKGROUND_DATA,
+                    Settings.Global.DEFAULT_USER_ID_TO_BOOT_INTO,
                     Settings.Global.DESK_DOCK_SOUND,
                     Settings.Global.DESK_UNDOCK_SOUND,
                     Settings.Global.DEVELOPMENT_ENABLE_FREEFORM_WINDOWS_SUPPORT,
@@ -273,6 +274,7 @@
                     Settings.Global.KEEP_PROFILE_IN_BACKGROUND,
                     Settings.Global.LANG_ID_UPDATE_CONTENT_URL,
                     Settings.Global.LANG_ID_UPDATE_METADATA_URL,
+                    Settings.Global.LAST_ACTIVE_USER_ID,
                     Settings.Global.LOCATION_BACKGROUND_THROTTLE_INTERVAL_MS,
                     Settings.Global.LOCATION_BACKGROUND_THROTTLE_PROXIMITY_ALERT_INTERVAL_MS,
                     Settings.Global.LOCATION_BACKGROUND_THROTTLE_PACKAGE_WHITELIST,