add authorization 2018-07-01 to Go SDK

[jhendrixMSFT]

Latest improvements:

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[openapi-sdkautomation]

SDK Automation [Logs] (Generated from 3066b3c)

Python: Azure/azure-sdk-for-python

• Package generation pending.

Java: Azure/azure-sdk-for-java

• Package generation pending.

Go: Azure/azure-sdk-for-go

• Package generation pending.

JavaScript: Azure/azure-sdk-for-js

• Package generation pending.

Ruby: Azure/azure-sdk-for-ruby

• Package generation pending.

[AutorestCI]

Automation for azure-sdk-for-ruby

Nothing to generate for azure-sdk-for-ruby

[AutorestCI]

Automation for azure-sdk-for-java

Nothing to generate for azure-sdk-for-java

[AutorestCI]

Automation for azure-sdk-for-python

Nothing to generate for azure-sdk-for-python

[AutorestCI]

Automation for azure-sdk-for-go

The initial PR has been merged into your service PR:
Azure/azure-sdk-for-go#5165

[azuresdkci]

Can one of the admins verify this patch?