Update version suffix for 2.0.0 RTM release

Author: pranavkm

src/Microsoft.AspNetCore.Mvc.Testing/Microsoft.AspNetCore.Mvc.Testing.csproj

@@ -8,6 +8,8 @@
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageTags>aspnetcore;aspnetcoremvc;aspnetcoremvctesting</PackageTags>
+    <VersionSuffix>preview1</VersionSuffix>
+    <VersionSuffix Condition="'$(BuildNumber)' != ''">$(VersionSuffix)-$(BuildNumber)</VersionSuffix>
   </PropertyGroup>
 
   <ItemGroup>

version.props

@@ -2,6 +2,6 @@
 <Project>
     <PropertyGroup>
         <VersionPrefix>2.0.0</VersionPrefix>
-        <VersionSuffix>preview3</VersionSuffix>
+        <VersionSuffix>rtm</VersionSuffix>
     </PropertyGroup>
 </Project>