Update dummy fields within the ref by auto-generating them from the s…

…ource assembly. (dotnet/corefx#39687)

* Update dummy fields within the ref by auto-generating them from the
source assembly.

* Address feedback.


Commit migrated from dotnet/corefx@c50b758

src/libraries/System.ComponentModel.Composition/ref/System.ComponentModel.Composition.cs

@@ -610,6 +610,7 @@ namespace System.ComponentModel.Composition.ReflectionModel
     public partial struct LazyMemberInfo
     {
         private object _dummy;
+        private int _dummyPrimitive;
         public LazyMemberInfo(System.Reflection.MemberInfo member) { throw null; }
         public LazyMemberInfo(System.Reflection.MemberTypes memberType, System.Func<System.Reflection.MemberInfo[]> accessorsCreator) { throw null; }
         public LazyMemberInfo(System.Reflection.MemberTypes memberType, params System.Reflection.MemberInfo[] accessors) { throw null; }

src/libraries/System.Data.Common/ref/System.Data.Common.cs

@@ -3334,6 +3334,7 @@ void System.Xml.Serialization.IXmlSerializable.WriteXml(System.Xml.XmlWriter wri
     public partial struct SqlString : System.Data.SqlTypes.INullable, System.IComparable, System.Xml.Serialization.IXmlSerializable
     {
         private object _dummy;
+        private int _dummyPrimitive;
         public static readonly int BinarySort;
         public static readonly int BinarySort2;
         public static readonly int IgnoreCase;

src/libraries/System.IO.FileSystem.Watcher/ref/System.IO.FileSystem.Watcher.cs

@@ -80,6 +80,7 @@ public partial class RenamedEventArgs : System.IO.FileSystemEventArgs
     public partial struct WaitForChangedResult
     {
         private object _dummy;
+        private int _dummyPrimitive;
         public System.IO.WatcherChangeTypes ChangeType { get { throw null; } set { } }
         public string Name { get { throw null; } set { } }
         public string OldName { get { throw null; } set { } }

src/libraries/System.IO.FileSystem/ref/System.IO.FileSystem.cs

@@ -247,6 +247,8 @@ namespace System.IO.Enumeration
 {
     public ref partial struct FileSystemEntry
     {
+        private object _dummy;
+        private int _dummyPrimitive;
         public System.IO.FileAttributes Attributes { get { throw null; } }
         public System.DateTimeOffset CreationTimeUtc { get { throw null; } }
         public System.ReadOnlySpan<char> Directory { get { throw null; } }

src/libraries/System.Net.Sockets/ref/System.Net.Sockets.cs

@@ -47,6 +47,7 @@ public enum IOControlCode : long
     public partial struct IPPacketInformation
     {
         private object _dummy;
+        private int _dummyPrimitive;
         public System.Net.IPAddress Address { get { throw null; } }
         public int Interface { get { throw null; } }
         public override bool Equals(object comparand) { throw null; }
@@ -420,6 +421,7 @@ public enum SocketFlags
     public partial struct SocketInformation
     {
         private object _dummy;
+        private int _dummyPrimitive;
         public System.Net.Sockets.SocketInformationOptions Options { get { throw null; } set { } }
         public byte[] ProtocolInformation { get { throw null; } set { } }
     }

src/libraries/System.Runtime.Numerics/ref/System.Runtime.Numerics.cs

@@ -10,6 +10,7 @@ namespace System.Numerics
     public readonly partial struct BigInteger : System.IComparable, System.IComparable<System.Numerics.BigInteger>, System.IEquatable<System.Numerics.BigInteger>, System.IFormattable
     {
         private readonly object _dummy;
+        private readonly int _dummyPrimitive;
         [System.CLSCompliantAttribute(false)]
         public BigInteger(byte[] value) { throw null; }
         public BigInteger(decimal value) { throw null; }

src/libraries/System.Security.Cryptography.Cng/ref/System.Security.Cryptography.Cng.cs

@@ -199,6 +199,7 @@ public enum CngKeyUsages
     public partial struct CngProperty : System.IEquatable<System.Security.Cryptography.CngProperty>
     {
         private object _dummy;
+        private int _dummyPrimitive;
         public CngProperty(string name, byte[] value, System.Security.Cryptography.CngPropertyOptions options) { throw null; }
         public string Name { get { throw null; } }
         public System.Security.Cryptography.CngPropertyOptions Options { get { throw null; } }

src/libraries/System.Security.Cryptography.X509Certificates/ref/System.Security.Cryptography.X509Certificates.cs

@@ -371,6 +371,7 @@ public void Reset() { }
     public partial struct X509ChainStatus
     {
         private object _dummy;
+        private int _dummyPrimitive;
         public System.Security.Cryptography.X509Certificates.X509ChainStatusFlags Status { get { throw null; } set { } }
         public string StatusInformation { get { throw null; } set { } }
     }