Class android.accessibilityservice.`AccessibilityService`

Added Methods
`AccessibilityButtonController` `getAccessibilityButtonController`(`int`)
`List<AccessibilityAction>` `getSystemActions`()
`SparseArray<List<AccessibilityWindowInfo>>` `getWindowsOnAllDisplays`()
`boolean` `onGesture`(`AccessibilityGestureEvent`)
`void` `onSystemActionsChanged`()
`void` `setGestureDetectionPassthroughRegion`(`int, Region`)
`void` `setTouchExplorationPassthroughRegion`(`int, Region`)
`void` `takeScreenshot`(`int, Executor, TakeScreenshotCallback`)

Changed Methods
`boolean` `onGesture`(`int`)	Now deprecated.

Added Fields
`int` `ERROR_TAKE_SCREENSHOT_INTERNAL_ERROR`
`int` `ERROR_TAKE_SCREENSHOT_INTERVAL_TIME_SHORT`
`int` `ERROR_TAKE_SCREENSHOT_INVALID_DISPLAY`
`int` `ERROR_TAKE_SCREENSHOT_NO_ACCESSIBILITY_ACCESS`
`int` `GESTURE_2_FINGER_DOUBLE_TAP`
`int` `GESTURE_2_FINGER_DOUBLE_TAP_AND_HOLD`
`int` `GESTURE_2_FINGER_SINGLE_TAP`
`int` `GESTURE_2_FINGER_SWIPE_DOWN`
`int` `GESTURE_2_FINGER_SWIPE_LEFT`
`int` `GESTURE_2_FINGER_SWIPE_RIGHT`
`int` `GESTURE_2_FINGER_SWIPE_UP`
`int` `GESTURE_2_FINGER_TRIPLE_TAP`
`int` `GESTURE_3_FINGER_DOUBLE_TAP`
`int` `GESTURE_3_FINGER_DOUBLE_TAP_AND_HOLD`
`int` `GESTURE_3_FINGER_SINGLE_TAP`
`int` `GESTURE_3_FINGER_SWIPE_DOWN`
`int` `GESTURE_3_FINGER_SWIPE_LEFT`
`int` `GESTURE_3_FINGER_SWIPE_RIGHT`
`int` `GESTURE_3_FINGER_SWIPE_UP`
`int` `GESTURE_3_FINGER_TRIPLE_TAP`
`int` `GESTURE_4_FINGER_DOUBLE_TAP`
`int` `GESTURE_4_FINGER_DOUBLE_TAP_AND_HOLD`
`int` `GESTURE_4_FINGER_SINGLE_TAP`
`int` `GESTURE_4_FINGER_SWIPE_DOWN`
`int` `GESTURE_4_FINGER_SWIPE_LEFT`
`int` `GESTURE_4_FINGER_SWIPE_RIGHT`
`int` `GESTURE_4_FINGER_SWIPE_UP`
`int` `GESTURE_4_FINGER_TRIPLE_TAP`
`int` `GESTURE_DOUBLE_TAP`
`int` `GESTURE_DOUBLE_TAP_AND_HOLD`

Class android.accessibilityservice.AccessibilityService