buffet: First step in device start implementation.

On device start up update cloud with the most recent view
of the device.

BUG=chromium:420573
TEST=cros_workon_make buffet --test and manual testing

Change-Id: I7925ea4b84185baf91dfa41b8f5f6c955c7b46ee
Reviewed-on: https://chromium-review.googlesource.com/221052
Tested-by: Anton Muhin <antonm@chromium.org>
Reviewed-by: Christopher Wiley <wiley@chromium.org>
Reviewed-by: Alex Vakulenko <avakulenko@chromium.org>
Reviewed-by: Anton Muhin <antonm@chromium.org>
Commit-Queue: Anton Muhin <antonm@chromium.org>
3 files changed
tree: 2fb6638b973e0f569b82624ba0af1a9024c3fb73
  1. buffet/