Revert of Fix regression in memory-infra bots due to change in dump order

base/trace_event/memory_dump_manager.cc

Index: base/trace_event/memory_dump_manager.cc
diff --git a/base/trace_event/memory_dump_manager.cc b/base/trace_event/memory_dump_manager.cc
index 6f2e8b0f0f953531e84cd860745ec2657c8ad995..354d78220a3e7fa27fdde54746e1c59b6e6fd98d 100644
--- a/base/trace_event/memory_dump_manager.cc
+++ b/base/trace_event/memory_dump_manager.cc
@@ -617,11 +617,8 @@
     const MemoryDumpProviderInfo& other) const {
   if (task_runner == other.task_runner)
     return dump_provider < other.dump_provider;
-  // TODO(ssid): Ensure that unbound providers (task_runner == nullptr)
-  // always run last. Currently it runs first so that it doesn't cause
-  // regression in perf bots due to change in measurement time.
-  // crbug.com/555584.
-  return task_runner < other.task_runner;
+  // Ensure that unbound providers (task_runner == nullptr) always run last.
+  return !(task_runner < other.task_runner);
 }
 
 MemoryDumpManager::ProcessMemoryDumpAsyncState::ProcessMemoryDumpAsyncState(