src.git version: 6a619721826747a80ca59f2ffa17d2f9220a1f5e

Test suite: org.chromium.chrome.browser.download.ui.DownloadHistoryAdapterTest
Tests affected:
* #testSearch_RemoveItem()
* #testUpdate_UpdateItems()

Example errors:
* DownloadHistoryAdapterTest#testUpdate_UpdateItems
  Flakiness dashboard: https://test-results.appspot.com/dashboards/flakiness_dashboard.html#testType=chrome_public_test_apk&tests=org.chromium.chrome.browser.download.ui.DownloadHistoryAdapterTest%23testSearch_RemoveItem
  Example error: https://chromium-swarm.appspot.com/task?id=377a0b0dbb487e10&refresh=10&show_raw=1
  
* DownloadHistoryAdapterTest#testSearch_RemoveItem
  Flakiness dashboard: https://test-results.appspot.com/dashboards/flakiness_dashboard.html#testType=chrome_public_test_apk&tests=org.chromium.chrome.browser.download.ui.DownloadHistoryAdapterTest%23testUpdate_UpdateItems
  Example error: https://chromium-swarm.appspot.com/task?id=3798a72cec237710&refresh=10&show_raw=1