am cce0cd13: Merge "Looper: use pthread_once for TLS key initialization." into gingerbread

Merge commit 'cce0cd138dd0dc338db59083052aca01a51bd52d' into gingerbread-plus-aosp

* commit 'cce0cd138dd0dc338db59083052aca01a51bd52d':
  Looper: use pthread_once for TLS key initialization.