tree b14624b7de512d74aab43e22b1f84fe08c29f647
parent efc0cfb61e34c3bc688a7cbcc1ccef23922251c1
author Glenn Kasten <gkasten@google.com> 1354651954 -0800
committer Glenn Kasten <gkasten@google.com> 1355333928 -0800

Prepare for track invalidation to be done by proxy

Don't rely on control block to determine whether track has been marked
invalid.  Instead, use a local flag that can't be corrupted by client.

Change-Id: I783dafe828f93c1c3d2d0e5a08105ea536436efb