Modify time only mode flag into set of values instead of just one.

The time only mode flag has not been used yet, so the change should
be low impact.

Bug: 38259902
Test: m -j32
Change-Id: Ie01870633dbaaf51989a148f105a995f58f0da4e
diff --git a/core/tests/coretests/src/android/provider/SettingsBackupTest.java b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
index a08eae9..04cdb0b 100644
--- a/core/tests/coretests/src/android/provider/SettingsBackupTest.java
+++ b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
@@ -392,7 +392,7 @@
                     Settings.Global.TETHER_SUPPORTED,
                     Settings.Global.TEXT_CLASSIFIER_CONSTANTS,
                     Settings.Global.THEATER_MODE_ON,
-                    Settings.Global.TIME_ONLY_MODE_ENABLED,
+                    Settings.Global.TIME_ONLY_MODE_CONSTANTS,
                     Settings.Global.TRANSITION_ANIMATION_SCALE,
                     Settings.Global.TRUSTED_SOUND,
                     Settings.Global.TZINFO_UPDATE_CONTENT_URL,