tgc-revival: Add google_cloud_tasks_queue to TGC (#15933)

Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>

Author: zli82016

mmv1/products/cloudtasks/Queue.yaml

@@ -16,6 +16,8 @@ name: 'Queue'
 description: |
   A named resource to which messages are sent by publishers.
 docs:
+include_in_tgc_next: true
+tgc_include_handwritten_tests: true
 id_format: 'projects/{{project}}/locations/{{location}}/queues/{{name}}'
 base_url: 'projects/{{project}}/locations/{{location}}/queues'
 update_verb: 'PATCH'
@@ -90,6 +92,7 @@ properties:
       Overrides for task-level appEngineRouting. These settings apply only
       to App Engine tasks in this queue
     custom_flatten: 'templates/terraform/custom_flatten/cloudtasks_queue_appenginerouting.go.tmpl'
+    tgc_ignore_terraform_custom_flatten: true
     properties:
       - name: 'service'
         type: String
@@ -358,6 +361,7 @@ properties:
           Note that both the service account email and the scope MUST be specified when using the queue-level authorization override.
         conflicts:
           - oidcToken
+        is_missing_in_cai: true
         properties:
           - name: 'serviceAccountEmail'
             type: String