am 50dc3bca: Refactor ActivityManagerService activity stack.

Merge commit '50dc3bca5afbce911636b3ba15ee953bc203a9d6' into gingerbread-plus-aosp

* commit '50dc3bca5afbce911636b3ba15ee953bc203a9d6':
  Refactor ActivityManagerService activity stack.
This commit is contained in:
Dianne Hackborn 2010-06-25 13:14:07 -07:00 committed by Android Git Automerger
commit 47562cf9cb

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