org.chromium.chrome.browser.vr_shell.WebVrTest#testPoseDataUnfocusedTab is flaky on Android N5X Builder. Example failures:

https://uberchromegw.corp.google.com/i/chromium.android/builders/Android%20N5X%20Swarm%20Builder/builds/12589

https://uberchromegw.corp.google.com/i/chromium.android/builders/Android%20N5X%20Swarm%20Builder/builds/12532

https://uberchromegw.corp.google.com/i/chromium.android/builders/Android%20N5X%20Swarm%20Builder/builds/12447

Suspecting https://codereview.chromium.org/2873843002, but only because it's a VR change that landed shortly before the first failure I could find. Flake may be older than this but it's hard to say at this point.