Merge changes I7fe77245,I75b089b8,Iafa250ce am: afa76a3028 am: 55592371dc
am: 1f6ff07516

* commit '1f6ff07516a56f62c809d0b60ab6d9f28673c369':
  adb: clean up quotes in test_device.py.
  adb: mkdir the correct directory name when pulling.
  adb: cleanup file skipping logic.