Remove android_java_ui as it is not used

chrome/browser/media/router/media_router_dialog_controller.cc

Index: chrome/browser/media/router/media_router_dialog_controller.cc
diff --git a/chrome/browser/media/router/media_router_dialog_controller.cc b/chrome/browser/media/router/media_router_dialog_controller.cc
index ae254c25554567a375e2883955e96d906629199e..591e56683da5ad6305b6ab29daf30a0f429e5eb4 100644
--- a/chrome/browser/media/router/media_router_dialog_controller.cc
+++ b/chrome/browser/media/router/media_router_dialog_controller.cc
@@ -12,7 +12,7 @@
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_delegate.h"
 
-#if BUILDFLAG(ANDROID_JAVA_UI)
+#if defined(OS_ANDROID)
 #include "chrome/browser/media/android/router/media_router_dialog_controller_android.h"
 #else
 #include "chrome/browser/ui/webui/media_router/media_router_dialog_controller_impl.h"
@@ -24,7 +24,7 @@ namespace media_router {
 MediaRouterDialogController*
 MediaRouterDialogController::GetOrCreateForWebContents(
     content::WebContents* contents) {
-#if BUILDFLAG(ANDROID_JAVA_UI)
+#if defined(OS_ANDROID)
   return MediaRouterDialogControllerAndroid::GetOrCreateForWebContents(
       contents);
 #else