[NetAppFiles] Update azure-mgmt-netapp version to 0.15.0#16467

Merged

kairu-ms merged 6 commits intoAzure:devfrom

Jan 25, 2021

Commits on Jan 8, 2021

Netapp sdk updated to 0.15.0
hodd
committed
Fix recordings
hodd
committed
Fix recordings and linting
hodd
committed
new recording
hodd
committed
fix help
hodd
committed

Commits on Jan 20, 2021

Fix after review
hodd
committed