[NOT FOR COMMIT] multiple_renderer

android_webview/apk/java/AndroidManifest.xml

 <?xml version="1.0" encoding="utf-8"?>
 <!--
   Copyright (c) 2012 The Chromium Authors. All rights reserved.  Use of this
   source code is governed by a BSD-style license that can be found in the
   LICENSE file.
 -->
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     package="{{package|default('com.android.webview')}}">
@@ skipping 19 matching lines @@
                         android:value="true" />
             </activity>
             <provider android:name="com.android.webview.chromium.LicenseContentProvider"
                     android:exported="true"
                     android:authorities="{{ manifest_package }}.LicenseContentProvider" />
             <meta-data android:name="com.android.webview.WebViewLibrary"
                     android:value="{{ webview_lib }}" />
         {% endmacro %}
         {{ common(package|default('com.android.webview'), 'libwebviewchromium.so') }}
         <meta-data android:name="org.chromium.content.browser.NUM_SANDBOXED_SERVICES"
-                   android:value="1"/>
+                   android:value="5"/>
         <service android:name="org.chromium.content.app.SandboxedProcessService0"
                  android:process=":sandboxed_process0"
                  android:isolatedProcess="true"
                  android:exported="true"
                  tools:ignore="ExportedService"
                  {{sandboxed_service_extra_flags|default('')}} />
+        <service android:name="org.chromium.content.app.SandboxedProcessService1"
+                 android:process=":sandboxed_process1"
+                 android:isolatedProcess="true"
+                 android:exported="true"
+                 tools:ignore="ExportedService"
+                 {{sandboxed_service_extra_flags|default('')}} />
+        <service android:name="org.chromium.content.app.SandboxedProcessService2"
+                 android:process=":sandboxed_process2"
+                 android:isolatedProcess="true"
+                 android:exported="true"
+                 tools:ignore="ExportedService"
+                 {{sandboxed_service_extra_flags|default('')}} />
+        <service android:name="org.chromium.content.app.SandboxedProcessService3"
+                 android:process=":sandboxed_process3"
+                 android:isolatedProcess="true"
+                 android:exported="true"
+                 tools:ignore="ExportedService"
+                 {{sandboxed_service_extra_flags|default('')}} />
+        <service android:name="org.chromium.content.app.SandboxedProcessService4"
+                 android:process=":sandboxed_process4"
+                 android:isolatedProcess="true"
+                 android:exported="true"
+                 tools:ignore="ExportedService"
+                 {{sandboxed_service_extra_flags|default('')}} />
         <meta-data android:name="org.chromium.content.browser.NUM_PRIVILEGED_SERVICES"
                    android:value="0"/>
     </application>
 </manifest>