Class android.accessibilityservice.AccessibilityService

Added Methods
void attachAccessibilityOverlayToDisplay(int, SurfaceControl)  
void attachAccessibilityOverlayToWindow(int, SurfaceControl)  
void onMotionEvent(MotionEvent)  
void takeScreenshotOfWindow(int, Executor, TakeScreenshotCallback)  
 

Added Fields
int ERROR_TAKE_SCREENSHOT_INVALID_WINDOW  
int ERROR_TAKE_SCREENSHOT_SECURE_WINDOW