The failure happens consistently e.g. on bot 'Android N5X Swarm' fails every one or two weeks. https://test-results.appspot.com/dashboards/flakiness_dashboard.html#testType=chrome_public_test_apk&showAllRuns=true&tests=org.chromium.chrome.browser.widget.OverviewListLayoutTest%23testCanSwipeClosed The test failed at CallbackHelper waitForCallback timed out after calling TouchCommon.dragEnd. Some logcat for the crash: https://luci-logdog.appspot.com/v/?s=chromium%2Fandroid%2Fswarming%2Flogcats%2F375d1cb0cdcf6311%2F%2B%2Flogcat_org.chromium.chrome.browser.widget.OverviewListLayoutTest.testCanSwipeClosed_20170715T034432-UTC_00c739cb427cad50 https://luci-logdog.appspot.com/v/?s=chromium%2Fbb%2Fchromium.swarm%2FAndroid_N5X_Swarm%2F1762%2F%2B%2Frecipes%2Fsteps%2Fchrome_public_test_apk_on_Android%2F0%2Flogs%2Forg.chromium.chrome.browser.widget.OverviewListLayoutTest_testCanSwipeClosed%2F0 https://chromium-swarm.appspot.com/task?id=3744d3866add8710&refresh=10&request_detail=true&show_raw=1&wide_logs=true