Fix ink position in test handwriting IME

import android.content.Context;

import android.graphics.Canvas;

import android.graphics.Color;

import android.graphics.Insets;

import android.graphics.Paint;

import android.graphics.Path;

import android.view.MotionEvent;

import android.view.View;

import android.view.ViewGroup;

import android.view.WindowInsets;

import android.view.WindowManager;

import android.view.WindowMetrics;

    private static final long FINISH_TIMEOUT = 1500;

    private final HandwritingIme.HandwritingFinisher mHwCanceller;

    private final HandwritingIme.StylusConsumer mConsumer;

    private final int mTopInset;

    private Paint mPaint;

    private Path  mPath;

    private final Paint mPaint;

    private final Path mPath;

    private float mX, mY;

    private static final float STYLUS_MOVE_TOLERANCE = 1;

    private Runnable mFinishRunnable;

        WindowManager wm = context.getSystemService(WindowManager.class);

        WindowMetrics metrics =  wm.getCurrentWindowMetrics();

        Insets insets = metrics.getWindowInsets()

                .getInsetsIgnoringVisibility(WindowInsets.Type.systemBars());

        setLayoutParams(new ViewGroup.LayoutParams(

                metrics.getBounds().width() - insets.left - insets.right,

                metrics.getBounds().height() - insets.top - insets.bottom));

        mTopInset = insets.top;

                metrics.getBounds().width(), metrics.getBounds().height()));

    }

    @Override

    }

    private void stylusStart(float x, float y) {

        y = y - mTopInset;

        mPath.moveTo(x, y);

        mX = x;

        mY = y;

    }

    private void stylusMove(float x, float y) {

        y = y - mTopInset;

        float dx = Math.abs(x - mX);

        float dy = Math.abs(y - mY);

        if (mPath.isEmpty()) {