Add a Setting for whether or not we have been disabled by policy.

Bug: 62106274, 35698183
Test: StorageManager robotests

Change-Id: I1788d6143362130df88950c6843fa78b67182d5e
diff --git a/core/tests/coretests/src/android/provider/SettingsBackupTest.java b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
index b96bda1..956c862 100644
--- a/core/tests/coretests/src/android/provider/SettingsBackupTest.java
+++ b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
@@ -418,6 +418,7 @@
                  Settings.Secure.AUTOMATIC_STORAGE_MANAGER_BYTES_CLEARED,
                  Settings.Secure.AUTOMATIC_STORAGE_MANAGER_ENABLED,
                  Settings.Secure.AUTOMATIC_STORAGE_MANAGER_LAST_RUN,
+                 Settings.Secure.AUTOMATIC_STORAGE_MANAGER_TURNED_OFF_BY_POLICY,
                  Settings.Secure.BACKUP_AUTO_RESTORE,
                  Settings.Secure.BACKUP_ENABLED,
                  Settings.Secure.BACKUP_PROVISIONED,