[automerger skipped] power/stats: Add VTS testcases am: 810ba8df2b am: 7ee2255d63
am: fca0042c9d -s ours
am skip reason: change_id Ie90ecfae937beebf96a9d66eb4b10954242ad07b with SHA1 fc48be1079 is in history

Change-Id: If89d1562c3ab9b6371461c376d74444a25183b97