am bb394f3e: Fix monkey crash. Check null for the top window in onActivityResult.

Merge commit 'bb394f3e134b6e5898ef7ae861b75e95e618688f' into eclair-mr2-plus-aosp

* commit 'bb394f3e134b6e5898ef7ae861b75e95e618688f':
  Fix monkey crash. Check null for the top window in