tree fce4f596ed0aba706473f1beefaca392c136777a
parent 84c77821dacf2e773ea038f073b649952db91d35
author Jeremy Manson <jeremymanson@google.com> 1558724547 +0000
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> 1558724547 +0000

[fidlcat] Improve shutdown workflow.

Specifically:

- Disconnect when we shut down, which cleans up some error messages
  and bad state

- Shut down when everything we are monitoring exits.

Change-Id: I0083614bd0f51367fc2ef29779a7cdb7f066ce19