[Merge-M54] arc: Don't sync app list change caused by Arc opt out.

chrome/browser/ui/app_list/app_list_model_builder.cc

Index: chrome/browser/ui/app_list/app_list_model_builder.cc
diff --git a/chrome/browser/ui/app_list/app_list_model_builder.cc b/chrome/browser/ui/app_list/app_list_model_builder.cc
index b223dee321b50fea3a0d08ac743fe913b313bf78..eba94fe075e93dfec8a95fc031bc82c85dc58ffc 100644
--- a/chrome/browser/ui/app_list/app_list_model_builder.cc
+++ b/chrome/browser/ui/app_list/app_list_model_builder.cc
@@ -51,8 +51,9 @@ void AppListModelBuilder::InsertApp(
   model_->AddItem(std::move(app));
 }
 
-void AppListModelBuilder::RemoveApp(const std::string& id) {
-  if (service_) {
+void AppListModelBuilder::RemoveApp(const std::string& id,
+                                    bool unsynced_change) {
+  if (!unsynced_change && service_) {
     service_->RemoveUninstalledItem(id);
     return;
   }