3.0.0: Mention that a database is still needed for account patch reviews
3.0.0: Mention that a database is still needed for account patch reviews

Change-Id: Ic55fd73a928f9086cdd1192c1ea0f1e72b509e8f

GerritCodeReview/homepage,GerritCodeReview/homepage,GerritCodeReview/homepage,GerritCodeReview/homepage,GerritCodeReview/homepage