am b8814dce: Merge "Allow sniffers to return a packet of opaque data that the corresponding extractor can take advantage of to not duplicate work already done sniffing. The mp3 extractor takes advantage of this now." into gingerbread

Merge commit 'b8814dce287552c1bdf13fa999296ebc7387776d' into gingerbread-plus-aosp

* commit 'b8814dce287552c1bdf13fa999296ebc7387776d':
  Allow sniffers to return a packet of opaque data that the corresponding extractor can take advantage of to not duplicate work already done sniffing. The mp3 extractor takes advantage of this now.