benchmarks/.../load:news:kooora:2017 in telemetry_perf_unittests failing on multiple builders

Builders failed on: 
- Linux Tests: 
  https://build.chromium.org/p/chromium.linux/builders/Linux%20Tests
- Win7 Tests (1): 
  https://build.chromium.org/p/chromium.win/builders/Win7%20Tests%20%281%29


This seems to be caused by https://chromium-review.googlesource.com/723134
Would you please take a look, Ned? Thanks!