Merge "Avoid the need for the black color for the baker-style read barrier."
am: 1e5dda549c

* commit '1e5dda549c11d02aff51f132760dd693e351ce85':
  Avoid the need for the black color for the baker-style read barrier.

Change-Id: Idddf521aa98ea4343d24cf8a4b24913524b9aba8