Exempt broken activity_stream view

script/dryrun

@@ -28,6 +28,7 @@ DERIVED_DATASETS_DRY_RUN_URL = (
 
 SKIP = {
     # Access Denied
+    "sql/activity_stream/impression_stats_flat/view.sql",
     "sql/activity_stream/tile_id_types/view.sql",
     "sql/monitoring/document_sample_nonprod_v1/query.sql",
     "sql/monitoring/schema_error_counts_v1/view.sql",