Add XML Docs for pubternal types

\n\nCommit migrated from 033ea04bab

src/FileProviders/Manifest.MSBuildTask/src/Entry.cs

@@ -8,7 +8,8 @@ using System.Diagnostics;
 namespace Microsoft.Extensions.FileProviders.Embedded.Manifest.Task.Internal
 {
     /// <summary>
-    /// This type is for internal uses only and is not meant to be consumed by any other library.
+    /// This API supports infrastructure and is not intended to be used
+    /// directly from your code. This API may change or be removed in future releases.
     /// </summary>
     [DebuggerDisplay("{Name,nq}")]
     public class Entry : IEquatable<Entry>

src/Localization/Localization/src/Internal/AssemblyWrapper.cs

@@ -7,6 +7,10 @@ using System.Reflection;
 
 namespace Microsoft.Extensions.Localization.Internal
 {
+    /// <summary>
+    /// This API supports infrastructure and is not intended to be used
+    /// directly from your code. This API may change or be removed in future releases.
+    /// </summary>
     public class AssemblyWrapper
     {
         public AssemblyWrapper(Assembly assembly)

src/Localization/Localization/src/Internal/IResourceStringProvider.cs

@@ -6,6 +6,10 @@ using System.Globalization;
 
 namespace Microsoft.Extensions.Localization.Internal
 {
+    /// <summary>
+    /// This API supports infrastructure and is not intended to be used
+    /// directly from your code. This API may change or be removed in future releases.
+    /// </summary>
     public interface IResourceStringProvider
     {
         IList<string> GetAllResourceStrings(CultureInfo culture, bool throwOnMissing);

src/Localization/Localization/src/Internal/ResourceManagerStringProvider.cs

@@ -9,6 +9,10 @@ using System.Resources;
 
 namespace Microsoft.Extensions.Localization.Internal
 {
+    /// <summary>
+    /// This API supports infrastructure and is not intended to be used
+    /// directly from your code. This API may change or be removed in future releases.
+    /// </summary>
     public class ResourceManagerStringProvider : IResourceStringProvider
     {
         private readonly IResourceNamesCache _resourceNamesCache;