tree 3adf4cc0bd7c007338a6105be244a9b7a3b29b56
parent 5442cfeeec037fead0a432d15d3381d6dd4ce8ba
author Sen Jiang <senj@google.com> 1520037434 -0800
committer Sen Jiang <senj@google.com> 1520037434 -0800

Disable logging to string in unittest.

Logging to string is not thread safe and we are not using this feature,
so turn it off.

Bug: 72046357
Test: run unittest with tsan
Change-Id: I6f2dd53b115e9e6c53df237783dbe09aed6ae592