tree 382639f8cc7f1a3677589d7dfca37b667ea4261c
parent 83bc7f3cf78b28a818417f40a4f0c00593993366
author James Dong <jdong@google.com> 1326212677 -0800
committer James Dong <jdong@google.com> 1326414312 -0800

Separate sniffing from session initialization

This avoid lengthy/duplicate sniffing for drm plugins when a decrypt session is opened

o The change is backward compatibile in that no update is required
  for existing drm plug-ins if they do not plan to provide separate
  sniffer/extractor

related-to-bug: 5725548

Change-Id: I7fc4caf82d77472da4e2bc7b5d31060fb54fd84c