browser_side_navigation_browser_tests failing on multiple builders

Builders failed on: 
- Linux Tests: 
  https://build.chromium.org/p/chromium.linux/builders/Linux%20Tests
- Linux Tests (dbg)(1): 
  https://build.chromium.org/p/chromium.linux/builders/Linux%20Tests%20%28dbg%29%281%29


browser_side_navigation_browser_tests browser_side_navigation_browser_tests
Run on OS: 'Ubuntu-14.04'
swarming pending 11s
failures:
AdsPageLoadMetricsObserverBrowserTest.DocOverwritesNavigation