Azure Analysis Services: added new sku and scale up/down support

[igor-uzhviev]

Description

Added new SKUs for Azure Analysis Services, added support of scale down/up.

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[msftclas]

@igor-uzhviev,
Thanks for your contribution as a Microsoft full-time employee or intern. You do not need to sign a CLA.
Thanks,
Microsoft Pull Request Bot

[azuresdkci]

Can one of the admins verify this patch?

[markcowl]

@azuresdkci add to whitelist

[markcowl]

One change in the test. Also, please describe the customer impact of this change in the changelog for analysis services

[markcowl]

You shoudls et the location based on the availability of the RP in the location and not to a hard-code value. Ths prevents using this test against the test cluster, sovereign clouds, etc.

[igor-uzhviev]

I updated the change log.
Sent you an email with questions about location. It is not really clear what and how should be implemented.

[igor-uzhviev]

Added GetLocation as discussed by email.

[markcowl]

One monir change to the changelog, otherwise LGTM

[markcowl]

Please just add this under 'Current release and leave the version number as is

[markcowl]

on demand run here: http://azuresdkci.cloudapp.net/view/1-AzurePowerShell/job/powershell-demand/1606/

[markcowl]

@igor-uzhviev note: if yopu just change the changelog, the on demand run will not need to be rerun

[igor-uzhviev]

@markcowl change log is fixed. please verify.