Imported Upstream version 4.8.0.309

Former-commit-id: 5f9c6ae75f295e057a7d2971f3a6df4656fa8850

mcs/class/referencesource/mscorlib/system/bitconverter.cs

@@ -372,7 +372,7 @@ namespace System {
         // Converts an array of bytes into a String.  
         public static String ToString (byte[] value, int startIndex, int length) {            
             if (value == null) {
-                throw new ArgumentNullException("byteArray");
+                throw new ArgumentNullException("value");
             }
 
             if (startIndex < 0 || startIndex >= value.Length && startIndex > 0) {  // Don't throw for a 0 length array.