[AF] Debug logs in wallet_metadata sync for flaky integration test, part 2

To be reverted as soon as this is confirmed as the source of the issue.

TBR=sebsg@chromium.org

Bug: 915229
Change-Id: I59925e538ea5547e3bfd089ed5bb4f1772dbdcc0
Reviewed-on: https://chromium-review.googlesource.com/c/1379759
Reviewed-by: Jan Krcal <jkrcal@chromium.org>
Commit-Queue: Jan Krcal <jkrcal@chromium.org>
Cr-Commit-Position: refs/heads/master@{#617080}
1 file changed