Merge "Report toolType on handwriting start" into udc-dev

        private int processPointerEvent(QueuedInputEvent q) {

            final MotionEvent event = (MotionEvent)q.mEvent;

            boolean handled = mHandwritingInitiator.onTouchEvent(event);

            if (handled) {

                // If handwriting is started, toolkit doesn't receive ACTION_UP.

                mLastClickToolType = event.getToolType(event.getActionIndex());

            }

            mAttachInfo.mUnbufferedDispatchRequested = false;

            mAttachInfo.mHandlingPointerEvent = true;