Remove android_java_ui as it is not used

chrome/browser/signin/profile_oauth2_token_service_factory.cc

Index: chrome/browser/signin/profile_oauth2_token_service_factory.cc
diff --git a/chrome/browser/signin/profile_oauth2_token_service_factory.cc b/chrome/browser/signin/profile_oauth2_token_service_factory.cc
index f4cfc41f599b99de2f17b2acb68f196b2153b7ce..45e2e3999eaded7444dce183871c91bedc03849c 100644
--- a/chrome/browser/signin/profile_oauth2_token_service_factory.cc
+++ b/chrome/browser/signin/profile_oauth2_token_service_factory.cc
@@ -14,7 +14,7 @@
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "components/signin/core/browser/profile_oauth2_token_service.h"
 
-#if BUILDFLAG(ANDROID_JAVA_UI)
+#if defined(OS_ANDROID)
 #include "chrome/browser/signin/oauth2_token_service_delegate_android.h"
 #else
 #include "chrome/browser/signin/mutable_profile_oauth2_token_service_delegate.h"
@@ -52,7 +52,7 @@ ProfileOAuth2TokenServiceFactory*
 KeyedService* ProfileOAuth2TokenServiceFactory::BuildServiceInstanceFor(
     content::BrowserContext* context) const {
   Profile* profile = static_cast<Profile*>(context);
-#if BUILDFLAG(ANDROID_JAVA_UI)
+#if defined(OS_ANDROID)
   OAuth2TokenServiceDelegateAndroid* delegate =
       new OAuth2TokenServiceDelegateAndroid(
           AccountTrackerServiceFactory::GetInstance()->GetForProfile(profile));