Update manage service identity api version#4492

Merged

amarzavery merged 3 commits intoAzure:masterfrom

wendyNEU:UpdateManageServiceIdentityApiVersion

Nov 28, 2018

Commits on Nov 16, 2018

directly copy swagger folder from old api version
diqiu
committed
update Managed Service Identity api version to 2018-11-30, the differnt from previous api-version is the clientSecretUrl can be null if identity is user assigned
diqiu
committed

Commits on Nov 27, 2018

feedback
diqiu
committed