[Wallet Sync] Re-enable integration tests for Directory for wallet data

This is needed because we are not launching the USS implementation by
default in M73.

Bug: 853688
Change-Id: Ia884892d618c4f8e9bc8391b89e32e276c98945a
Reviewed-on: https://chromium-review.googlesource.com/c/1433769
Commit-Queue: Jan Krcal <jkrcal@chromium.org>
Reviewed-by: Marc Treib <treib@chromium.org>
Cr-Commit-Position: refs/heads/master@{#626043}
4 files changed