Merge "libgui: Add getLastQueuedBuffer to BufferQueue" into nyc-dev
am: 4908a01

* commit '4908a010f63c7d0a6d9a1f4b67c3453a116d1556':
  libgui: Add getLastQueuedBuffer to BufferQueue

Change-Id: I0ec082bd8d8413043dd0f4b6a9ec2c84581a585b