[AutoPR mgmt-v2020_05_01] add signalr track2 config#6704

Draft

openapi-sdkautomation[bot] wants to merge 1 commit intomasterfrom sdkAuto/11892/mgmt-v2020_05_01

+409-496

Commits on Dec 2, 2020

CodeGen from PR 11892 in Azure/azure-rest-api-specs
SDKAuto
committed