message: add track 2 information to authorization RP
diff: These settings apply only when `--go` is specified on the command line.
  -``` yaml $(go)
  +``` yaml $(go) && !$(track2)
  go:
  license-header: MICROSOFT_MIT_NO_VERSION
  namespace: authorization
  clear-output-folder: true
  ```
  +``` yaml $(go) && $(track2)
  +license-header: MICROSOFT_MIT_NO_VERSION
  +module-name: sdk/authorization/armauthorization
  +module: github.com/Azure/azure-sdk-for-go/$(module-name)
  +output-folder: $(go-sdk-folder)/$(module-name)
  +azure-arm: true
  +```
  +
  ### Go multi-api
  ``` yaml $(go) && $(multiapi)
  