Mention V_TO_U_RESTORE_ALLOWLIST in TarBackupReader's javadoc


Bug: 358316882
Test: not needed, just adding a javadoc comment
Flag: DOCS_ONLY
Change-Id: Icf5fe938dd9cd3efdf03a781e019d602f9e3919b
diff --git a/services/backup/java/com/android/server/backup/utils/TarBackupReader.java b/services/backup/java/com/android/server/backup/utils/TarBackupReader.java
index 8abbe56..22eefb3 100644
--- a/services/backup/java/com/android/server/backup/utils/TarBackupReader.java
+++ b/services/backup/java/com/android/server/backup/utils/TarBackupReader.java
@@ -73,6 +73,8 @@
 
 /**
  * Utility methods to read backup tar file.
+ * Exteranl depenency:
+ *  <li> @android.provider.Settings.Secure.V_TO_U_RESTORE_ALLOWLIST
  */
 public class TarBackupReader {
     private static final int TAR_HEADER_OFFSET_TYPE_CHAR = 156;