BUG=1052179
R=dpranke@google.com, linxinan@chromium.org

Change-Id: I6e220b70e63d990e9257d9fe4d107de7dbd2eb81
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/3232849
Auto-Submit: Michael Moss <mmoss@chromium.org>
Commit-Queue: Michael Moss <mmoss@chromium.org>
Reviewed-by: Xinan Lin <linxinan@chromium.org>
Reviewed-by: Dirk Pranke <dpranke@google.com>