Suppress a false positive race report in tzset_internal.

BUG=379738
TBR=groby@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/306333002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@274221 0039d316-1c4b-4281-b951-d872f2087c98

base/debug/tsan_suppressions.cc

@@ -289,6 +289,9 @@ char kTSanDefaultSuppressions[] =
 "deadlock:media::AudioOutputDispatcherImpl::StopStream\n"
 "deadlock:media::AudioStreamHandler::AudioStreamContainer::OnMoreData\n"
 
+// False positive in libc's tzset_internal, http://crbug.com/379738.
+"race:tzset_internal\n"
+
 // End of suppressions.
 ;  // Please keep this semicolon.