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- Allow the producer to call setMaxDequeuedBufferCount and the
  consumer to call setMaxAcquiredBufferCount when buffers are
  currently dequeued/acquired as long as the new value is not less
  than the number of dequeued/acquired buffers.

Bug 22768206

Change-Id: I599a4027a6ae9cb0a1c0d5ec60cb5e65b86a345b