3.17.0-Preview: Adds new preview release and updates changelog (#2200)

* Update changelog

* Add contract file

* Update changelog

* Synced to latest updated changelog

* Fixed changelog

* Removed itrace from changelog

* Update changelog

* Update contract file

* Update contract file

* Updated changelog and contract files

* Fix contract file to include preview

Author: j82w

Directory.Build.props

@@ -2,7 +2,7 @@
 <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <ClientOfficialVersion>3.16.0</ClientOfficialVersion>
-    <ClientPreviewVersion>3.15.2</ClientPreviewVersion>
+    <ClientPreviewVersion>3.17.0</ClientPreviewVersion>
     <DirectVersion>3.17.1</DirectVersion>
     <EncryptionVersion>1.0.0-previewV10</EncryptionVersion>
     <HybridRowVersion>1.1.0-preview1</HybridRowVersion>