[Java] [FEATURE REQ] Onboarding StorageSync SDK support into FluentSDK Java

**Is your feature request related to a problem? Please describe.**
We are looking for 1 sdk to create an E2E Azure resources. Our RP is already supported in StorageSync SDK [https://github.com/Azure/azure-sdk-for-net/tree/master/src/SDKs/StorageSync]
**Azure Resource Provider** : Microsoft.StorageSync , GA

**Describe the solution you'd like**
Add StorageSync SDK onto Fluent pattern

**Describe alternatives you've considered**
We have workaround to use Fluent for creating other resources like ResourceGroup/StorageAccount and our dedicated StorageSync SDK for creating StorageSync resources.

**Additional context**
Register Server is a special workflow which cannot be ran via SDK but only on server via Cmdlet.

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