[AutoPR azure-resourcemanager-communication] Add Microsoft.Communication resource manager version 2020-08-20#7518

openapi-sdkautomation[bot] wants to merge 1 commit intomasterAzureSDKAutomation/azure-sdk-for-java:masterfrom

sdkAuto/13024/azure-resourcemanager-communicationAzureSDKAutomation/azure-sdk-for-java:sdkAuto/13024/azure-resourcemanager-communicationCopy head branch name to clipboard