title: android.useDeprecatedNdk=true is no longer supported
body: <p>I try to use <code>OpenCv</code> to build a facetracking camera app but I have a problem when I set up my <code>OpenCv</code>.<br>
  I have this error <a href="https://i.stack.imgur.com/xgAEc.png" rel="noreferrer"><img src="https://i.stack.imgur.com/xgAEc.png" alt="enter image description here"></a></p>
  
  <p>I use the <code>android.useDeprectedNdk=true</code> in <code>gradle.properties</code> but it doesn't work.</p>