[Storage] Better integration of @azure/identity#4466

Merged

HarshaNalluru merged 3 commits intoAzure:feature/storagefrom

HarshaNalluru:BetterIdentity

Jul 31, 2019

Commits on Jul 26, 2019

Merge remote-tracking branch 'upstream/feature/storage' into BetterIdentity
HarshaNalluru
committed
[storage-queue] update union type to credential: SharedKeyCredential | AnonymousCredential | TokenCredential
HarshaNalluru
committed
[storage-blob] credential union type
HarshaNalluru
committed