Add Capability to Usage Auditing

Please add Viewed PowerBI Reports to the recently updated PBI Service auditing capabilites discussed in this post on 8/15/2106.

For other readers, see the post linked above. The capability is still requires Office 365 Administrator privladges to access & has some other limitations (see the post) but a step in the right direction and coupled with the Azure Audit Logs capability should enable much better environment and usage reporting.