BSA for integration test (#2256)

Supports the full blocklist download cycle (download, diffing, diff-apply, and order-status reporting) and the refreshing of unblockable domains.

Submitted due to tight deadline. We will conduct post-submit review and refactoring.

db/src/main/resources/sql/schema/db-schema.sql.generated

@@ -85,14 +85,6 @@
         primary key (billing_recurrence_id)
     );
 
-    create table "BsaDomainInUse" (
-       label text not null,
-        tld text not null,
-        creation_time timestamptz not null,
-        reason text not null,
-        primary key (label, tld)
-    );
-
     create table "BsaDomainRefresh" (
        job_id  bigserial not null,
         creation_time timestamptz not null,
@@ -116,6 +108,14 @@
         primary key (label)
     );
 
+    create table "BsaUnblockableDomain" (
+       label text not null,
+        tld text not null,
+        creation_time timestamptz not null,
+        reason text not null,
+        primary key (label, tld)
+    );
+
     create table "ClaimsEntry" (
        revision_id int8 not null,
         domain_label text not null,