title: Attribute application@allowBackup value=(false) from AndroidManifest.xml is also present at [:barcodescanner:] AndroidManifest.xml value=(true)
body: <p>I’m trying to set the allowBackup attribute in my ionic 3 app manifest to false but gradle complains with the following error:</p>
  <p>Attribute application@allowBackup value=(false) from AndroidManifest.xml:4:18-45 is also present at [:barcodescanner:] AndroidManifest.xml:12:9-35 value=(true). Suggestion: add 'tools:replace=&quot;android:allowBackup&quot;' to element at AndroidManifest.xml:4:5-11:19 to override.</p>
  <p>To Set allowBackup=false using below line in config.xml file</p>
  <pre><code>&lt;platform name=&quot;android&quot;&gt; &lt;edit-config file=&quot;AndroidManifest.xml&quot; target=&quot;/manifest/application&quot; mode=&quot;merge&quot;&gt; &lt;application android:allowBackup=&quot;false&quot;/&gt; &lt;/edit-config&gt; &lt;/platform&gt;
  </code></pre>
  <p>I use Barcode Scanner in my ionic 3 app.(Repo: <a href="https://github.com/phonegap/phonegap-plugin-barcodescanner" rel="noreferrer">https://github.com/phonegap/phonegap-plugin-barcodescanner</a> recommended in <a href="https://ionicframework.com/docs/native/barcode-scanner/" rel="noreferrer">https://ionicframework.com/docs/native/barcode-scanner/</a>)</p>
  <p>please help me.
  Thanks!</p>