Overwrite Vision.Face with public preview client (Azure#22106)

Replace the client content in Vision.Face with the public preview
client generated from Face/preview/v1.0-preview/Face.json that points
to face/v1.0-preview endpoints.

Co-authored-by: Yang Chen <yachen4@microsoft.com>

sdk/cognitiveservices/Vision.Face/CHANGELOG.md

@@ -1,5 +1,10 @@
 # Release History
 
+## 2.8.0-preview.1 (Unreleased)
+
+- Add support for the Person Directory feature
+- Note that this version points to the face/v1.0-preview (public preview) endpoints.
+
 ## 2.7.0-preview.2 (Unreleased)
 
 

sdk/cognitiveservices/Vision.Face/Face.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 15
-VisualStudioVersion = 15.0.26430.16
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.30615.102
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.Azure.CognitiveServices.Vision.Face", "src\Microsoft.Azure.CognitiveServices.Vision.Face.csproj", "{6807B854-8528-4FEE-A25D-C43C3AA2D601}"
 EndProject

sdk/cognitiveservices/Vision.Face/src/Customizations/FaceClientPersonDirectoryCustomization.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Microsoft.Azure.CognitiveServices.Vision.Face
+{
+    public partial class FaceClient
+    {
+        partial void CustomInitialize()
+        {
+            PersonDirectoryExtensions.asyncOperationAction = this.Snapshot.GetOperationStatusAsync;
+        }
+    }
+}