Revert "TaskManager bench"

This reverts commit 02db03ca0584371504fd29ced77c00d601cb0971.

Change-Id: I86bdf5e6774e99f9add59a657bfc50d45ebfda1d
diff --git a/libs/hwui/thread/TaskManager.cpp b/libs/hwui/thread/TaskManager.cpp
index d346b85..a07845e 100644
--- a/libs/hwui/thread/TaskManager.cpp
+++ b/libs/hwui/thread/TaskManager.cpp
@@ -103,7 +103,7 @@
     return true;
 }
 
-bool TaskManager::WorkerThread::addTask(const TaskWrapper& task) {
+bool TaskManager::WorkerThread::addTask(TaskWrapper task) {
     if (!isRunning()) {
         run(mName.string(), PRIORITY_DEFAULT);
     } else if (exitPending()) {