[Communication] Add 2020-08-20 stable version#19615

Merged

allenjzhang merged 1 commit intoAzure:masterfrom memontic-ms:communication-2020-08-20-stable

Mar 19, 2021

+5,762-2,139

Commits on Mar 18, 2021

[Communication] Add autogeneration for 2020-08-20 stable version
memontic-ms
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