Enable consistent identity on android platform by default.

chrome/browser/profiles/profile_window.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/profiles/profile_window.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 288 matching lines @@
 
   if (tutorial_shown) {
     chrome::ShowUserManager(profile->GetPath());
   } else {
     chrome::ShowUserManagerWithTutorial(
         profiles::USER_MANAGER_TUTORIAL_OVERVIEW);
   }
 }
 
 void EnableNewProfileManagementPreview() {
+#if defined(OS_ANDROID)
+  NOTREACHED();
+#else
   about_flags::PrefServiceFlagsStorage flags_storage(
       g_browser_process->local_state());
   about_flags::SetExperimentEnabled(
       &flags_storage,
       kNewProfileManagementExperimentInternalName,
       true);
 
   CommandLine::ForCurrentProcess()->AppendSwitch(
-      switches::kNewProfileManagement);
+      switches::kEnableNewProfileManagement);
   chrome::ShowUserManagerWithTutorial(profiles::USER_MANAGER_TUTORIAL_OVERVIEW);
+#endif
 }
 
 void DisableNewProfileManagementPreview() {
   about_flags::PrefServiceFlagsStorage flags_storage(
       g_browser_process->local_state());
   about_flags::SetExperimentEnabled(
       &flags_storage,
       kNewProfileManagementExperimentInternalName,
       false);
   chrome::AttemptRestart();
 }
 
 }  // namespace profiles