Remove android_java_ui as it is not used

chrome/browser/prefs/incognito_mode_prefs.cc

Index: chrome/browser/prefs/incognito_mode_prefs.cc
diff --git a/chrome/browser/prefs/incognito_mode_prefs.cc b/chrome/browser/prefs/incognito_mode_prefs.cc
index 8d62abaadd245f88ef5e54f031714e68845fc86e..d5de301c87cc1da62520eed3693dd1a4ea6a89a2 100644
--- a/chrome/browser/prefs/incognito_mode_prefs.cc
+++ b/chrome/browser/prefs/incognito_mode_prefs.cc
@@ -31,9 +31,9 @@
 #include "base/win/windows_version.h"
 #endif  // OS_WIN
 
-#if BUILDFLAG(ANDROID_JAVA_UI)
+#if defined(OS_ANDROID)
 #include "chrome/browser/android/chrome_application.h"
-#endif  // BUILDFLAG(ANDROID_JAVA_UI)
+#endif  // defined(OS_ANDROID)
 
 using content::BrowserThread;
 
@@ -210,7 +210,7 @@ void IncognitoModePrefs::InitializePlatformParentalControls() {
 bool IncognitoModePrefs::ArePlatformParentalControlsEnabled() {
 #if defined(OS_WIN)
   return PlatformParentalControlsValue::GetInstance()->is_enabled();
-#elif BUILDFLAG(ANDROID_JAVA_UI)
+#elif defined(OS_ANDROID)
   return chrome::android::ChromeApplication::AreParentalControlsEnabled();
 #else
   return false;