Merge pull request #4150 from StephenBonikowsky/stebon/master/infrastructureupdates

Update package branding for 5.0 previews.

Author: StephenBonikowsky

eng/Versions.props

@@ -6,7 +6,8 @@
     <MinorVersion>0</MinorVersion>
     <!-- To produce shipping versions in non-official builds, instead of default fixed dummy version number (42.42.42.42). -->
     <DotNetUseShippingVersions>true</DotNetUseShippingVersions>
-    <PreReleaseVersionLabel>preview1</PreReleaseVersionLabel>
+    <PreReleaseVersionLabel>preview</PreReleaseVersionLabel>
+    <PreReleaseVersionIteration>1</PreReleaseVersionIteration>
     <!-- Use the compiler in the CLI instead of in the sdk, since the sdk one doesn't work with netcoreapp3.0 yet -->
     <!--[todo:arcade] Current compiler is failing to build our generated testproperties code in Infrastructure.Common.csproj-->
     <UsingToolMicrosoftNetCompilers>false</UsingToolMicrosoftNetCompilers>