Fold System.Globalization.Extensions contract to System.Runtime.Extensions (#13870)

* Fold System.Globalization.Extensions contract to System.Runtime.Extensions

* FIx throwing original exception and change the csproj configuration

* Delta fix

* Fix the build configuration

* remove System.Runtime.Extensions package reference from system.Console

* Remove project reference of S.Runtime.Extensions from the csproj

* More clean up for S.Runtime.Extensions references in projects

1 files changed, 16 insertions, 0 deletions

diff --git a/src/System.Runtime.Extensions/ref/System.Runtime.Extensions.cs b/src/System.Runtime.Extensions/ref/System.Runtime.Extensions.cs
index 0982b8117e..6d4e39e614 100644
--- a/src/System.Runtime.Extensions/ref/System.Runtime.Extensions.cs
+++ b/src/System.Runtime.Extensions/ref/System.Runtime.Extensions.cs
@@ -948,6 +948,22 @@ namespace System
     {
         public ContextStaticAttribute() { }
     }
+    public static class StringNormalizationExtensions
+    {
+        public static bool IsNormalized(this string value) { throw null; }
+        [System.Security.SecurityCritical]
+        public static bool IsNormalized(this string value, System.Text.NormalizationForm normalizationForm) { throw null; }
+        public static String Normalize(this string value) { throw null; }
+        [System.Security.SecurityCritical]
+        public static String Normalize(this string value, System.Text.NormalizationForm normalizationForm) { throw null; }
+    }
+}
+namespace System.Globalization
+{
+    public static partial class GlobalizationExtensions
+    {
+        public static System.StringComparer GetStringComparer(this System.Globalization.CompareInfo compareInfo, System.Globalization.CompareOptions options) { throw null; }
+    }
 }
 namespace System.Collections
 {