Merge \\\"BufferQueueProducer: Signal consumer when a buffer is detached\\\"...
Merge \\\"BufferQueueProducer: Signal consumer when a buffer is detached\\\" into nyc-dev am: 51ed38bb am: 36ad49c4
am: b38f78b0
Change-Id: Ib6fd64cf9cb46c7247ad9e3612c0caa0f62edb35