provider/google: Add import support to google_sql_user (#14457)
provider/google: Add import support to google_sql_user (#14457)

* Support importing google_sql_user

* Updated documentation to reflect that passwords are not retrieved.

* Added additional documentation detailing use.

* Removed unneeded d.setId() line from GoogleSqlUser Read method.

* Changed an errors.New() call to fmt.Errorf().

* Migrate schemas of existing GoogleSqlUser resources.

* Remove explicitly setting 'id' property

* Added google_sql_user to importability page.

* Changed separator to '/' from '.' and updated tests + debug messages.

hashicorp/terraform-provider-google-beta,drebes/terraform-provider-google,ubschmidt2/terraform-provider-google,rosbo/terraform-provider-google,hashicorp/terraform-provider-google-beta,hashicorp/terraform-provider-google-beta,hashicorp/terraform-provider-google,rosbo/terraform-provider-google,terraform-providers/terraform-provider-google,selmanj/terraform-provider-google,drebes/terraform-provider-google,nickithewatt/terraform-provider-google,hashicorp/terraform-provider-google,selmanj/terraform-provider-google,ubschmidt2/terraform-provider-google,drebes/terraform-provider-google,rosbo/terraform-provider-google,ubschmidt2/terraform-provider-google,hashicorp/terraform-provider-google-beta,hashicorp/terraform-provider-google,hashicorp/terraform-provider-google,nickithewatt/terraform-provider-google,drebes/terraform-provider-google,selmanj/terraform-provider-google,ubschmidt2/terraform-provider-google,terraform-providers/terraform-provider-google,terraform-providers/terraform-provider-google,terraform-providers/terraform-provider-google,nickithewatt/terraform-provider-google,rosbo/terraform-provider-google,terraform-providers/terraform-provider-google