Prefixed namespace bindings may not be empty

[ole1986]

The value of the attribute "prefix="xmlns",localpart="android",rawname="xmlns:android"" is invalid

cordova version 7.1.0 on android

<activity
    android:label="@string/share_name"
    android:name="com.google.zxing.client.android.encode.EncodeActivity"
    xmlns:android="" <-- here
>

<activity 
    android:label="@string/share_name"
    android:name="com.google.zxing.client.android.HelpActivity" 
    xmlns:android="" <-- and here
>
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />
                <category android:name="android.intent.category.DEFAULT" />
            </intent-filter>
        </activity>