am fbb936bf: Merge "Add the a power test case which simply do the audio...

am fbb936bf: Merge "Add the a power test case which simply do the audio playback. The actual power measurement will be done by another application." into gingerbread

Merge commit 'fbb936bfab22cb1c3748cccffe67f42f7d764b54' into gingerbread-plus-aosp

* commit 'fbb936bfab22cb1c3748cccffe67f42f7d764b54':
  Add the a power test case which simply do the audio playback. The actual power measurement will be done by another application.