Add AutomaticOSUpgradeProperties in GET VMImageVersion API

[rareddaz]

Added VirtualMachineImageProperties.AutomaticOSUpgradeProperties in GET VMImageVersion API

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The initial PR has been merged into your service PR:
Azure/azure-sdk-for-python#3437

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Can one of the admins verify this patch?

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The initial PR has been merged into your service PR:
Azure/azure-sdk-for-node#3728

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The initial PR has been merged into your service PR:
Azure/azure-sdk-for-go#2815