am 77fbf5c2: Merge "If a finalizer wedges, raise prio and retry."

Merge commit '77fbf5c29a9dd62f64e8e98376724b86e79ae8f6' into dalvik-dev

* commit '77fbf5c29a9dd62f64e8e98376724b86e79ae8f6':
  If a finalizer wedges, raise prio and retry.