Merge "Make AccessibilityService#disableSelf atomic." into nyc-dev
am: b42afe9be0

* commit 'b42afe9be02b23c50c0479e93df2a853be7c369a':
  Make AccessibilityService#disableSelf atomic.

Change-Id: I90fc019bb38c2b8c5b71357bce60c8df298bddcc