tgc-revival: add google_clouddeploy_custom_target_type (#15071)

Author: zli82016

mmv1/products/clouddeploy/CustomTargetType.yaml

@@ -50,6 +50,7 @@ iam_policy:
     - 'projects/{{project}}/locations/{{location}}/customTargetTypes/{{name}}'
     - '{{name}}'
 custom_code:
+include_in_tgc_next_DO_NOT_USE: true
 examples:
   - name: 'clouddeploy_custom_target_type_basic'
     primary_resource_id: 'custom-target-type'

mmv1/templates/tgc_next/cai2hcl/flatten_property_method_tgc.go.tmpl

@@ -18,6 +18,10 @@
 	{{- else if $.IsA "KeyValueLabels" }}
 func flatten{{$.GetPrefix}}{{$.TitlelizeProperty}}(v interface{}, d *schema.ResourceData, config *transport_tpg.Config) interface{} {
 	return tgcresource.RemoveTerraformAttributionLabel(v)
+}
+  {{- else if $.IsA "KeyValueAnnotations" }}
+func flatten{{$.GetPrefix}}{{$.TitlelizeProperty}}(v interface{}, d *schema.ResourceData, config *transport_tpg.Config) interface{} {
+	return v
 }
 	{{- else if or (and (eq $.Name "zone") $.ResourceMetadata.HasZone) (and (eq $.Name "region") $.ResourceMetadata.HasRegion) -}}
 func flatten{{$.GetPrefix}}{{$.TitlelizeProperty}}(v interface{}, d *schema.ResourceData, config *transport_tpg.Config) interface{} {