Sync up with latest code.

Author: eerhardt

src/Microsoft.ML.Data/DataLoadSave/TransformWrapper.cs

@@ -77,7 +77,8 @@ private static VersionInfo GetVersionInfo()
                 verWrittenCur: 0x00010001, // Initial
                 verReadableCur: 0x00010001,
                 verWeCanReadBack: 0x00010001,
-                loaderSignature: LoaderSignature);
+                loaderSignature: LoaderSignature,
+                loaderAssemblyName: typeof(TransformWrapper).Assembly.FullName);
         }
 
         // Factory for SignatureLoadModel.

src/Microsoft.ML.Data/Scorers/PredictionTransformer.cs

@@ -420,7 +420,8 @@ private static VersionInfo GetVersionInfo()
                 verWrittenCur: 0x00010001, // Initial
                 verReadableCur: 0x00010001,
                 verWeCanReadBack: 0x00010001,
-                loaderSignature: RankingPredictionTransformer.LoaderSignature);
+                loaderSignature: RankingPredictionTransformer.LoaderSignature,
+                loaderAssemblyName: typeof(RankingPredictionTransformer<>).Assembly.FullName);
         }
     }
 

src/Microsoft.ML.StandardLearners/FactorizationMachine/FieldAwareFactorizationMachinePredictor.cs

@@ -354,7 +354,8 @@ private static VersionInfo GetVersionInfo()
                 verWrittenCur: 0x00010001, // Initial
                 verReadableCur: 0x00010001,
                 verWeCanReadBack: 0x00010001,
-                loaderSignature: LoaderSignature);
+                loaderSignature: LoaderSignature,
+                loaderAssemblyName: typeof(FieldAwareFactorizationMachinePredictionTransformer).Assembly.FullName);
         }
 
         private static FieldAwareFactorizationMachinePredictionTransformer Create(IHostEnvironment env, ModelLoadContext ctx)

test/Microsoft.ML.Core.Tests/UnitTests/TestCSharpApi.cs

@@ -6,6 +6,7 @@
 using Microsoft.ML.Runtime.Data;
 using Microsoft.ML.Runtime.EntryPoints;
 using Microsoft.ML.TestFramework;
+using Microsoft.ML.Transforms;
 using System;
 using System.Collections.Generic;
 using System.Linq;

test/Microsoft.ML.TestFramework/DataPipe/Parquet.cs

@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using Microsoft.ML.Runtime.Data;
 using System;
 using Xunit;