Switch to stable RTM branding (#5651)

Author: mmitche

eng/Versions.props

@@ -22,7 +22,7 @@
     <!--
         When StabilizePackageVersion is set to 'true', this branch will produce stable outputs for 'Shipping' packages
     -->
-    <StabilizePackageVersion Condition="'$(StabilizePackageVersion)' == ''">false</StabilizePackageVersion>
+    <StabilizePackageVersion Condition="'$(StabilizePackageVersion)' == ''">true</StabilizePackageVersion>
     <DotNetFinalVersionKind Condition="'$(StabilizePackageVersion)' == 'true'">release</DotNetFinalVersionKind>
     <!-- Opt-in repo features -->
     <UsingToolVSSDK>true</UsingToolVSSDK>