am 937052fb: (-s ours) am a069e853: am 649bafb7: Merge "bufferqueue: workaround: allow NULL fence with queueBuffer (DO NOT MERGE)" into lmp-dev

* commit '937052fb1ce8c2c5580e53d60ac771cb8fe7b532':
  bufferqueue: workaround: allow NULL fence with queueBuffer (DO NOT MERGE)