am e56f3c96: Merge "strtok stores its values in thread local storage. So it can not guarantee works well when multithread environment. AudioFlinger has multithread. so strtok_r is more safe."

* commit 'e56f3c96fa6e7550b67e8b049f999aaa2ada1192':
  strtok stores its values in thread local storage. So it can not guarantee works well when multithread environment. AudioFlinger has multithread. so strtok_r is more safe.