Merge branch 'dev' into po/BYOT

Author: peombwa

src/Authentication/Authentication/Helpers/HttpMessageFormatter.cs

@@ -182,7 +182,10 @@ protected override async Task SerializeToStreamAsync(Stream stream, TransportCon
             {
                 var readStream = await _streamTask.Value;
                 ValidateStreamForReading(readStream);
-                await Content.CopyToAsync(stream);
+                if (!_contentConsumed)
+                {
+                    await Content.CopyToAsync(stream);
+                }
             }
         }
 

tools/Custom/HttpMessageFormatter.cs

@@ -50,14 +50,7 @@ internal class HttpMessageFormatter : HttpContent
         // Set of header fields that should not get serialized
         private static readonly HashSet<string> _neverSerializedHeaderFields = new HashSet<string>(StringComparer.OrdinalIgnoreCase)
         {
-            "SdkVersion",
-            "FeatureFlag",
-            "Authorization",
-            "Cache-Control",
-            "Transfer-Encoding",
-            "Duration",
-            "Strict-Transport-Security",
-            "Date"
+            "Authorization"
         };
 
         private bool _contentConsumed;
@@ -209,7 +202,10 @@ protected override async Task SerializeToStreamAsync(Stream stream, TransportCon
             {
                 Stream readStream = await _streamTask.Value;
                 ValidateStreamForReading(readStream);
-                await Content.CopyToAsync(stream);
+                if (!_contentConsumed)
+                {
+                    await Content.CopyToAsync(stream);
+                }
             }
         }