Add java tests for auto-fetch

I'll expand this test as code for the auto-fetch feature is added.

Bug: 883486
Change-Id: Ie3545af0666b41c2aa9e87d5f733345642b26f4d
Reviewed-on: https://chromium-review.googlesource.com/c/1407112
Commit-Queue: Dan H <harringtond@google.com>
Reviewed-by: Carlos Knippschild <carlosk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#623010}
6 files changed