Disable deleteAllPrintJobs

- Will be implemented once a policy is created to gate this
  capability.

Bug: 1087942
Change-Id: I0887004a8ecb237a93feb877e47a79feba9266af
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2220876
Commit-Queue: jimmy gong <jimmyxgong@chromium.org>
Reviewed-by: Zentaro Kavanagh <zentaro@chromium.org>
Reviewed-by: Bailey Berro <baileyberro@chromium.org>
Cr-Commit-Position: refs/heads/master@{#773290}

chrome/browser/chromeos/printing/print_management/printing_manager.cc

@@ -31,7 +31,8 @@ void PrintingManager::GetPrintJobs(GetPrintJobsCallback callback) {
 }
 
 void PrintingManager::DeleteAllPrintJobs(DeleteAllPrintJobsCallback callback) {
-  print_job_history_service_->DeleteAllPrintJobs(std::move(callback));
+  // TODO(crbug/1053704): This is a NO-OP, implement when policy is available.
+  std::move(callback).Run(/*success=*/true);
 }
 
 void PrintingManager::OnPrintJobsRetrieved(