Added face education setting

Test: It builds
Bug: 131774352
Change-Id: I23cc05838052da7d40223a519bbf99895d165f86
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index dbc62f4..23171d9 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -8253,6 +8253,16 @@
                 BOOLEAN_VALIDATOR;
 
         /**
+         * Whether or not the face unlock education screen has been shown to the user.
+         * @hide
+         */
+        public static final String FACE_UNLOCK_EDUCATION_INFO_DISPLAYED =
+                "face_unlock_education_info_displayed";
+
+        private static final Validator FACE_UNLOCK_EDUCATION_INFO_DISPLAYED_VALIDATOR =
+                BOOLEAN_VALIDATOR;
+
+        /**
          * Whether or not debugging is enabled.
          * @hide
          */
@@ -9058,6 +9068,8 @@
             VALIDATORS.put(FACE_UNLOCK_APP_ENABLED, FACE_UNLOCK_APP_ENABLED_VALIDATOR);
             VALIDATORS.put(FACE_UNLOCK_ALWAYS_REQUIRE_CONFIRMATION,
                     FACE_UNLOCK_ALWAYS_REQUIRE_CONFIRMATION_VALIDATOR);
+            VALIDATORS.put(FACE_UNLOCK_EDUCATION_INFO_DISPLAYED,
+                    FACE_UNLOCK_EDUCATION_INFO_DISPLAYED_VALIDATOR);
             VALIDATORS.put(ASSIST_GESTURE_ENABLED, ASSIST_GESTURE_ENABLED_VALIDATOR);
             VALIDATORS.put(ASSIST_GESTURE_SILENCE_ALERTS_ENABLED,
                     ASSIST_GESTURE_SILENCE_ALERTS_ENABLED_VALIDATOR);
diff --git a/core/tests/coretests/src/android/provider/SettingsBackupTest.java b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
index a714602..012060e 100644
--- a/core/tests/coretests/src/android/provider/SettingsBackupTest.java
+++ b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
@@ -721,7 +721,8 @@
                  Settings.Secure.LOCATION_ACCESS_CHECK_DELAY_MILLIS,
                  Settings.Secure.BIOMETRIC_DEBUG_ENABLED,
                  Settings.Secure.FACE_UNLOCK_ATTENTION_REQUIRED,
-                 Settings.Secure.FACE_UNLOCK_DIVERSITY_REQUIRED);
+                 Settings.Secure.FACE_UNLOCK_DIVERSITY_REQUIRED,
+                 Settings.Secure.FACE_UNLOCK_EDUCATION_INFO_DISPLAYED);
 
     @Test
     public void systemSettingsBackedUpOrBlacklisted() {