IGraphicBufferConsumer: fix ATTACH_BUFFER info leak am: dded8fdbb7 am: 7ee203b59d am: dc252255af am: 202aaa8f97 am: ec87aa5218 am: c5cb7c489b am: e8cceaf02f am: aef60500d2
am: 362647d373

* commit '362647d37327db2ed53301398a9de7c030af2d42':
  IGraphicBufferConsumer: fix ATTACH_BUFFER info leak