am 0dd3a239: Merge "Doc change: cherry-pick from master: Activity Testing/Hello, Testing tutorials doc files" into froyo

Merge commit '0dd3a239519369933d4efa701479c816b4b33874' into froyo-plus-aosp

* commit '0dd3a239519369933d4efa701479c816b4b33874':
  Doc change: cherry-pick from master: Activity Testing/Hello, Testing tutorials doc files