am fb70ffd9: Merge "Doc change: cherry-pick from master: Testing Android Applications document (concepts)" into froyo

Merge commit 'fb70ffd993a9ec60c806b873014b2f0f6e874c77' into froyo-plus-aosp

* commit 'fb70ffd993a9ec60c806b873014b2f0f6e874c77':
  Doc change: cherry-pick from master: Testing Android Applications document (concepts)