Fix IAM doc id_format to new post 3.0.0 style

templates/terraform/resource_iam.html.markdown.erb

@@ -259,17 +259,17 @@ Any variables not passed in the import command will be taken from the provider c
 
 IAM member imports use space-delimited identifiers: the resource in question, the role, and the member identity, e.g.
 ```
-$ terraform import <% if object.min_version.name == 'beta' %>-provider=google-beta <% end -%><%= resource_ns_iam -%>_member.editor "<%= object.id_format.gsub('{{name}}', "{{#{object.name.underscore}}}") -%> <%= object.iam_policy.allowed_iam_role -%> [email protected]"
+$ terraform import <% if object.min_version.name == 'beta' %>-provider=google-beta <% end -%><%= resource_ns_iam -%>_member.editor "<%= id_format(object).gsub('{{name}}', "{{#{object.name.underscore}}}") -%> <%= object.iam_policy.allowed_iam_role -%> [email protected]"
 ```
 
 IAM binding imports use space-delimited identifiers: the resource in question and the role, e.g.
 ```
-$ terraform import <%= resource_ns_iam -%>_binding.editor "<%= object.id_format.gsub('{{name}}', "{{#{object.name.underscore}}}") -%> <%= object.iam_policy.allowed_iam_role -%>"
+$ terraform import <%= resource_ns_iam -%>_binding.editor "<%= id_format(object).gsub('{{name}}', "{{#{object.name.underscore}}}") -%> <%= object.iam_policy.allowed_iam_role -%>"
 ```
 
 IAM policy imports use the identifier of the resource in question, e.g.
 ```
-$ terraform import <% if object.min_version.name == 'beta' %>-provider=google-beta <% end -%><%= resource_ns_iam -%>_policy.editor <%= object.id_format.gsub('{{name}}', "{{#{object.name.underscore}}}") %>
+$ terraform import <% if object.min_version.name == 'beta' %>-provider=google-beta <% end -%><%= resource_ns_iam -%>_policy.editor <%= id_format(object).gsub('{{name}}', "{{#{object.name.underscore}}}") %>
 ```
 
 -> If you're importing a resource with beta features, make sure to include `-provider=google-beta`