Summary & Return type updated (#2022)

* files updated

* change reverted

Author: v-hearya

xml/Microsoft.Vsa/BaseVsaStartup.xml

@@ -38,7 +38,7 @@
       </AssemblyInfo>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Initializes a new instance of the <see cref="T:Microsoft.Vsa.BaseVsaStartup"/> class.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>