[AutoPR mgmt-v2020_07_01] add appplatform track2 config#6780

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openapi-sdkautomation[bot] wants to merge 1 commit intomasterfrom sdkAuto/11924/mgmt-v2020_07_01

+1,183-8

Commits on Dec 3, 2020

CodeGen from PR 11924 in Azure/azure-rest-api-specs
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