compute: resolve permadiff for display_name in google_compute_organization_security_policy (#15325)

Author: ramonvermeulen

mmv1/products/compute/OrganizationSecurityPolicy.yaml

@@ -61,6 +61,7 @@ properties:
       User-provided name of the organization security policy. The name should be unique in the organization in which the security policy is created. This should only be used when SecurityPolicyType is FIREWALL.
     min_version: 'beta'
     immutable: true
+    ignore_read: true
   - name: 'description'
     type: String
     description: |

mmv1/third_party/terraform/services/compute/resource_compute_organization_security_policy_test.go.tmpl

@@ -26,17 +26,19 @@ func TestAccComputeOrganizationSecurityPolicy_organizationSecurityPolicyUpdateEx
 				Config: testAccComputeOrganizationSecurityPolicy_organizationSecurityPolicyPreUpdateExample(context),
 			},
                         {
-                                ResourceName:      "google_compute_organization_security_policy.policy",
-                                ImportState:       true,
-                                ImportStateVerify: true,
+                                ResourceName:            "google_compute_organization_security_policy.policy",
+                                ImportState:             true,
+                                ImportStateVerify:       true,
+                                ImportStateVerifyIgnore: []string{"display_name"},
                         },
                         {
 				Config: testAccComputeOrganizationSecurityPolicy_organizationSecurityPolicyPostUpdateExample(context),
                         },
                         {
-                                ResourceName:      "google_compute_organization_security_policy.policy",
-                                ImportState:       true,
-                                ImportStateVerify: true,
+                                ResourceName:            "google_compute_organization_security_policy.policy",
+                                ImportState:             true,
+                                ImportStateVerify:       true,
+                                ImportStateVerifyIgnore: []string{"display_name"},
                         },
 		},
 	})