[AutoPR containerservice/resource-manager/v2019_06_01] Update readme.java.md for 2019_06#135

openapi-sdkautomation[bot] merged 1 commit intotest-repo-billy:sdkAutomation/containerservice/resource-manager/v2019_06_01test-repo-billy/azure-sdk-for-java:sdkAutomation/containerservice/resource-manager/v2019_06_01from

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