Add diff suppress for empty/default pod_security_policy_config (#1670)
Add diff suppress for empty/default pod_security_policy_config (#1670)

* add diff suppress for pod_security_policy_config

* change key comparison to exact

hashicorp/terraform-provider-google,hashicorp/terraform-provider-google-beta,drebes/terraform-provider-google,hashicorp/terraform-provider-google-beta,terraform-providers/terraform-provider-google,hashicorp/terraform-provider-google,hashicorp/terraform-provider-google-beta,ubschmidt2/terraform-provider-google,ubschmidt2/terraform-provider-google,hashicorp/terraform-provider-google,terraform-providers/terraform-provider-google,drebes/terraform-provider-google,hashicorp/terraform-provider-google,terraform-providers/terraform-provider-google,terraform-providers/terraform-provider-google,drebes/terraform-provider-google,terraform-providers/terraform-provider-google,ubschmidt2/terraform-provider-google,drebes/terraform-provider-google,ubschmidt2/terraform-provider-google,hashicorp/terraform-provider-google-beta