Update tracked_objects::ThreadData TSAN suppressions after http://crrev.com/132109
Update tracked_objects::ThreadData TSAN suppressions after http://crrev.com/132109

The race is SnapshotMaps is a known race, but not one that we're worried about.

BUG=102327
TEST=green tree

Review URL: https://chromiumcodereview.appspot.com/10216005

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@133979 0039d316-1c4b-4281-b951-d872f2087c98

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