Implementing License Manager TF resource - configuration

[modular-magician]

go/lima-terraform

Support for:

• Creation
• Update license count
• Update active / inactive (deactivate / reactivate calls)
• Deletion - TODO figure out what to do about this.

Result from custom test:

❯ GOOGLE_ZONE=us-central1-a GOOGLE_REGION=us-central1 GOOGLE_PROJECT=pabloem-cloud-licensemanager GOOGLE_USE_DEFAULT_CREDENTIALS=true TF_ACC=true go test ./google/services/licensemanager -run=TestAccLicenseManagerConfiguration_lifecycle -v       
=== RUN   TestAccLicenseManagerConfiguration_lifecycle
=== PAUSE TestAccLicenseManagerConfiguration_lifecycle
=== CONT  TestAccLicenseManagerConfiguration_lifecycle
--- PASS: TestAccLicenseManagerConfiguration_lifecycle (67.10s)
PASS
ok      github.com/hashicorp/terraform-provider-google/google/services/licensemanager   67.790s

`google_license_manager_configuration`

Derived from GoogleCloudPlatform/magic-modules#17401