Merge "Adjust down event location when two-finger dragging in TouchExplorer"...

                    // a given distance perform a drag.

                    mState.startDragging();

                    mDraggingPointerId = pointerId;

                    adjustEventLocationForDrag(event);

                    event.setEdgeFlags(mReceivedPointerTracker.getLastReceivedDownEdgeFlags());

                    mDispatcher.sendMotionEvent(

                            event, MotionEvent.ACTION_DOWN, rawEvent, pointerIdBits, policyFlags);