Add ODI_CAPTIONS_OPTED_OUT to secure settings.

Test: none
Bug: 128978908
Change-Id: I3d49ea4e071ace0e457f29fc1a19ef0a279e51f9
diff --git a/core/tests/coretests/src/android/provider/SettingsBackupTest.java b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
index 7322a54..6fb4744 100644
--- a/core/tests/coretests/src/android/provider/SettingsBackupTest.java
+++ b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
@@ -656,6 +656,7 @@
                  Settings.Secure.NIGHT_DISPLAY_LAST_ACTIVATED_TIME,
                  Settings.Secure.NUM_ROTATION_SUGGESTIONS_ACCEPTED,
                  Settings.Secure.ODI_CAPTIONS_ENABLED,
+                 Settings.Secure.ODI_CAPTIONS_OPTED_OUT,
                  Settings.Secure.PACKAGE_VERIFIER_STATE,
                  Settings.Secure.PACKAGE_VERIFIER_USER_CONSENT,
                  Settings.Secure.PARENTAL_CONTROL_LAST_UPDATE,