fix busted 3.2.2 activity stream migration

see: ansible/ansible-tower#7704

awx/main/migrations/0007_v320_data_migrations.py

@@ -6,6 +6,7 @@ from __future__ import unicode_literals
 from django.db import migrations, models
 
 # AWX
+from awx.main.migrations import ActivityStreamDisabledMigration
 from awx.main.migrations import _inventory_source as invsrc
 from awx.main.migrations import _migration_utils as migration_utils
 from awx.main.migrations import _reencrypt as reencrypt
@@ -15,7 +16,7 @@ from awx.main.migrations import _azure_credentials as azurecreds
 import awx.main.fields
 
 
-class Migration(migrations.Migration):
+class Migration(ActivityStreamDisabledMigration):
 
     dependencies = [
         ('main', '0006_v320_release'),

awx/main/migrations/0009_v322_add_setting_field_for_activity_stream.py

@@ -8,7 +8,7 @@ import awx.main.fields
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('main', '0009_v322_add_support_for_ovirt4_inventory'),
+        ('main', '0008_v320_drop_v1_credential_fields'),
     ]
 
     operations = [

awx/main/migrations/0010_v322_add_support_for_ovirt4_inventory.py

@@ -10,7 +10,7 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('main', '0008_v320_drop_v1_credential_fields'),
+        ('main', '0009_v322_add_setting_field_for_activity_stream'),
     ]
 
     operations = [

awx/main/migrations/__init__.py

@@ -1,2 +1,12 @@
 # Copyright (c) 2016 Ansible, Inc.
 # All Rights Reserved.
+
+from django.db.migrations import Migration
+
+
+class ActivityStreamDisabledMigration(Migration):
+
+    def apply(self, project_state, schema_editor, collect_sql=False):
+        from awx.main.signals import disable_activity_stream
+        with disable_activity_stream():
+            return Migration.apply(self, project_state, schema_editor, collect_sql)