buffet: Allow passing verbosity level to buffet.

Example:

  restart buffet V=2

BUG=None
TEST=Restarted the service manually.

Change-Id: I003a9518bee14a98a06de7c6f96b82cd99c85383
Reviewed-on: https://chromium-review.googlesource.com/220540
Tested-by: Anton Muhin <antonm@chromium.org>
Commit-Queue: Anton Muhin <antonm@chromium.org>
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
1 file changed
tree: 9444787cb69f68dadf3c7c0d5977db6d7f62ace1
  1. buffet/