Use a MojoProxyResolverFactory on Android.

chrome/browser/BUILD.gn

Index: chrome/browser/BUILD.gn
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index 0feb321739236e656f0fc84e472530bb6eefc526..1563fefa49b1038ef036af070bd6b6c1f6ad616d 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -682,6 +682,8 @@ split_static_library("browser") {
     "net/chrome_extensions_network_delegate.h",
     "net/chrome_http_user_agent_settings.cc",
     "net/chrome_http_user_agent_settings.h",
+    "net/chrome_mojo_proxy_resolver_factory.cc",
+    "net/chrome_mojo_proxy_resolver_factory.h",
     "net/chrome_net_log_helper.cc",
     "net/chrome_net_log_helper.h",
     "net/chrome_network_delegate.cc",
@@ -1659,6 +1661,7 @@ split_static_library("browser") {
     "//mojo/public/cpp/bindings",
     "//mojo/public/js",
     "//net:extras",
+    "//net:net_browser_services",
     "//ppapi/features",
     "//printing/features",
     "//rlz/features",
@@ -1715,6 +1718,7 @@ split_static_library("browser") {
   # platforms use OOP Mojo resolution.
   if (is_android) {
     deps += [
+      "//net:net_utility_services",
       "//net:net_with_v8",
       "//v8",
     ]
@@ -3495,8 +3499,6 @@ split_static_library("browser") {
       "metrics/tab_usage_recorder.h",
       "net/firefox_proxy_settings.cc",
       "net/firefox_proxy_settings.h",
-      "net/utility_process_mojo_proxy_resolver_factory.cc",
-      "net/utility_process_mojo_proxy_resolver_factory.h",
       "notifications/application_notifier_source.cc",
       "notifications/application_notifier_source.h",
       "notifications/arc_application_notifier_source_chromeos.cc",
@@ -3710,7 +3712,6 @@ split_static_library("browser") {
       "//components/cryptauth/proto",
       "//components/feedback",
       "//components/web_modal",
-      "//net:net_browser_services",
     ]
   }