Fix times in debugging output to use H rather than k.

Bug: 8359981
Change-Id: I4fccf3ed7e469b77f6e755dacbcd025005390505
diff --git a/services/java/com/android/server/BackupManagerService.java b/services/java/com/android/server/BackupManagerService.java
index 7ac314b..61eada2 100644
--- a/services/java/com/android/server/BackupManagerService.java
+++ b/services/java/com/android/server/BackupManagerService.java
@@ -3795,7 +3795,7 @@
                 b.append(String.format(" %9d ", info.size));
 
                 Date stamp = new Date(info.mtime);
-                b.append(new SimpleDateFormat("MMM dd kk:mm:ss ").format(stamp));
+                b.append(new SimpleDateFormat("MMM dd HH:mm:ss ").format(stamp));
 
                 b.append(info.packageName);
                 b.append(" :: ");