message: EventGrid: add package-2020-01-preview in readme.java.md
diff: @@ -16,6 +16,7 @@ output-folder: $(azure-libraries-for-java-folder)/azure-mgmt-eventgrid
  ``` yaml $(java) && $(multiapi)
  batch:
  + - tag: package-2020-01-preview
  - tag: package-2019-06
  - tag: package-2019-02-preview
  - tag: package-2019-01
  @@ -24,6 +25,20 @@ batch:
  - tag: package-2018-01
  ```
  +### Tag: package-2020-01-preview and java
  +
  +These settings apply only when `--tag=package-2020-01-preview --java` is specified on the command line.
  +
  +Please also specify `--azure-libraries-for-java=<path to the root directory of your azure-sdk-for-java clone>`.
  +
  +``` yaml $(tag) == 'package-2020-01-preview' && $(java) && $(multiapi)
  +java:
  + namespace: com.microsoft.azure.management.eventgrid.v2020_01_01_preview
  + output-folder: $(azure-libraries-for-java-folder)/eventgrid/resource-manager/v2020_01_01_preview
  +regenerate-manager: true
  +generate-interface: true
  +```
  +
  ### Tag: package-2019-06 and java
  These settings apply only when `--tag=package-2019-06 --java` is specified on the command line.
  