Fairly consistently, android is failing to boot on unified build images.
For example, this affected sand and reef in build 104:
https://uberchromegw.corp.google.com/i/chromeos/builders/reef-uni-release/builds/104
This has also been recreated on a local machine multiple times with pyro running reef-uni release.
When attempting to launch Play Store, a server communication error is generated, which seems potentially related.
Non-uni builds don't appear to have this issue also, so this may be a regression in unibuilds.
Comment 1 by shapiroc@chromium.org
, Jul 28 2017