GitLab

The last_incoming_metadata/last_outgoing_metadata was not ever getting
cleared on a successful transfer. This would cause a share target to
show up in discovery right away, but it would be a dead target that
would fail if you tried to use it.

Change-Id: I9679a6200fd948d0016484fee645c24db6f2ad77
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2425745
Auto-Submit: James Vecore <vecore@google.com>
Commit-Queue: Josh Nohle <nohle@chromium.org>
Reviewed-by: Josh Nohle <nohle@chromium.org>
Cr-Commit-Position: refs/heads/master@{#809738}