SyncStandaloneTransport: Add integration test for "Reset Sync" from dashboard

Bug: 856179
Change-Id: I0fb499c5bb5c0de6df4fa7c2f46d3b0b35f5f0df
Reviewed-on: https://chromium-review.googlesource.com/c/1326901
Commit-Queue: Marc Treib <treib@chromium.org>
Reviewed-by: Mikel Astiz <mastiz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#606848}
3 files changed