Fixed mapping for disk async replication (#15485)

Author: melinath

mmv1/third_party/terraform/services/compute/resource_compute_disk_async_replication_meta.yaml.tmpl

@@ -9,5 +9,7 @@ api_version: 'v1'
 api_resource_type_kind: 'Disk'
 fields:
   - field: 'primary_disk'
-  - field: 'secondary_disk.disk'
-  - field: 'secondary_disk.state'
+  - api_field: 'resourceStatus.asyncSecondaryDisks'
+    field: 'secondary_disk.disk'
+  - api_field: 'resourceStatus.asyncSecondaryDisks'
+    field: 'secondary_disk.state'