- added: Websocket Module setCustomClientBuilder (#37798)

Summary:
Added code previously added in the following PR: #28659.

The above PR was accidentally scrapped due to the renaming of the master branch on the React Native repo. As advised in this comment: #37770 (comment), I'm opening a new PR with the same code to get this merged into master / main.

Currently, we need to run a local fork of React Native and manually apply these changes ourselves. This then causes additional issues, as it's currently _**impossible**_ to build React Native from source when running on a Windows machine, as evidenced in #37770 and the other linked issues nested inside of this issue.

**Original summary is as follows:**
With `NetworkModule.setCustomClientBuilder` we can customize our OkHttpClient to all requests made by react-native, it's very useful when you do `SSL Pinning` or change some OkHttpClient configuration at all. I've added a similar function to websocket, it allow us do some configurations on Websocket OkHttpClient.

## Changelog:
[Android] [Added] - Websocket Module setCustomClientBuilder

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Pull Request resolved: #37798

Test Plan:
**From the original PR:**

You can just set a custom `CustomClientBuilder` on `MainActivity` `onCreate`:

```
import okhttp3.OkHttpClient;
import java.util.concurrent.TimeUnit;
import com.facebook.react.modules.network.CustomClientBuilder;
import com.facebook.react.modules.websocket.WebsocketModule;

public class MainActivity extends ReactFragmentActivity {

    Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        RNBootSplash.init(R.drawable.launch_screen, MainActivity.this);

        WebsocketModule.setCustomClientBuilder(new CustomClientBuilder() {
            Override
            public void apply(OkHttpClient.Builder builder) {
              builder.connectTimeout(0, TimeUnit.MILLISECONDS);
            }
          });
    }

   ...
```

Reviewed By: cortinico

Differential Revision: D47468613

Pulled By: javache

fbshipit-source-id: ad97fb18ba5784d8abe157f5ccd29201b8b0fe84

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/modules/network/CustomClientBuilder.java

@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+package com.facebook.react.modules.network;
+
+import okhttp3.OkHttpClient;
+
+public interface CustomClientBuilder {
+  public void apply(OkHttpClient.Builder builder);
+}

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/modules/network/NetworkingModule.java

@@ -94,7 +94,8 @@ public interface ResponseHandler {
   private static final int CHUNK_TIMEOUT_NS = 100 * 1000000; // 100ms
   private static final int MAX_CHUNK_SIZE_BETWEEN_FLUSHES = 8 * 1024; // 8K
 
-  private static @Nullable CustomClientBuilder customClientBuilder = null;
+  private static @Nullable com.facebook.react.modules.network.CustomClientBuilder
+      customClientBuilder = null;
 
   private final OkHttpClient mClient;
   private final ForwardingCookieHandler mCookieHandler;
@@ -163,13 +164,18 @@ public NetworkingModule(ReactApplicationContext context, String defaultUserAgent
     this(context, defaultUserAgent, OkHttpClientProvider.createClient(context), null);
   }
 
-  public static void setCustomClientBuilder(CustomClientBuilder ccb) {
+  public static void setCustomClientBuilder(
+      com.facebook.react.modules.network.CustomClientBuilder ccb) {
     customClientBuilder = ccb;
   }
 
-  public static interface CustomClientBuilder {
-    public void apply(OkHttpClient.Builder builder);
-  }
+  /**
+   * @deprecated To be removed in a future release. See
+   *     https://github.com/facebook/react-native/pull/37798#pullrequestreview-1518338914
+   */
+  @Deprecated
+  public static interface CustomClientBuilder
+      extends com.facebook.react.modules.network.CustomClientBuilder {}
 
   private static void applyCustomBuilder(OkHttpClient.Builder builder) {
     if (customClientBuilder != null) {

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/modules/websocket/WebSocketModule.java

@@ -19,6 +19,7 @@
 import com.facebook.react.bridge.WritableMap;
 import com.facebook.react.common.ReactConstants;
 import com.facebook.react.module.annotations.ReactModule;
+import com.facebook.react.modules.network.CustomClientBuilder;
 import com.facebook.react.modules.network.ForwardingCookieHandler;
 import java.io.IOException;
 import java.net.URI;
@@ -48,11 +49,23 @@ public interface ContentHandler {
 
   private ForwardingCookieHandler mCookieHandler;
 
+  private static @Nullable CustomClientBuilder customClientBuilder = null;
+
   public WebSocketModule(ReactApplicationContext context) {
     super(context);
     mCookieHandler = new ForwardingCookieHandler(context);
   }
 
+  public static void setCustomClientBuilder(CustomClientBuilder ccb) {
+    customClientBuilder = ccb;
+  }
+
+  private static void applyCustomBuilder(OkHttpClient.Builder builder) {
+    if (customClientBuilder != null) {
+      customClientBuilder.apply(builder);
+    }
+  }
+
   @Override
   public void invalidate() {
     for (WebSocket socket : mWebSocketConnections.values()) {
@@ -84,12 +97,15 @@ public void connect(
       @Nullable final ReadableMap options,
       final double socketID) {
     final int id = (int) socketID;
-    OkHttpClient client =
+    OkHttpClient.Builder okHttpBuilder =
         new OkHttpClient.Builder()
             .connectTimeout(10, TimeUnit.SECONDS)
             .writeTimeout(10, TimeUnit.SECONDS)
-            .readTimeout(0, TimeUnit.MINUTES) // Disable timeouts for read
-            .build();
+            .readTimeout(0, TimeUnit.MINUTES); // Disable timeouts for read
+
+    applyCustomBuilder(okHttpBuilder);
+
+    OkHttpClient client = okHttpBuilder.build();
 
     Request.Builder builder = new Request.Builder().tag(id).url(url);