am 9e678c26: am 2f0b1c13: Doc change: cherry-pick from master. ->Subject: Android application files for the Activity Testing Tutorial

Merge commit '9e678c26d81ba76ad48e73cb7c78a6210cd91a7b' into kraken

* commit '9e678c26d81ba76ad48e73cb7c78a6210cd91a7b':
  Doc change: cherry-pick from master. ->Subject: Android application files for the Activity Testing Tutorial