banon-release:1467 failed

Builders failed on: 
- banon-release: 
  https://luci-milo.appspot.com/buildbot/chromeos/banon-release/1467


Also happening on some other boards.
> kefka-release:1470 failed
> reef-release:1459 failed


This part of the logs looks relevant to the failure:

> Suite job                                    [ PASSED ]
> autoupdate_EndToEndTest_npo_delta_9915.0.0   [ FAILED ]
> autoupdate_EndToEndTest_npo_delta_9915.0.0     ABORT: Timed out, did not run.
> autoupdate_Rollback                          [ PASSED ]
> platform_Powerwash                           [ PASSED ]
...
> 22:54:11: ERROR: ** Suite timed out before completion **
> 22:54:11: INFO: Translating result ** Suite timed out before completion ** to fail.