[Unity:Android] VideoPlayerで指定したURLの動画を再生する

VideoPlayerでURL指定をしても再生されない場合、

CustomMainManufestにチェックを入れる

AndroidManifest.xmlが生成される

<uses-permission android:name="android.permission.INTERNET" />
android:usesCleartextTraffic="true"
を追加

<?xml version="1.0" encoding="utf-8"?>
<manifest
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools">
	<uses-permission android:name="android.permission.INTERNET" />
	<application>
        <!--Used when Application Entry is set to Activity, otherwise remove this activity block-->
        <activity android:name="com.unity3d.player.UnityPlayerActivity"
				  android:usesCleartextTraffic="true"
                  android:theme="@style/UnityThemeSelector">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
            <meta-data android:name="unityplayer.UnityActivity" android:value="true" />
        </activity>
        <!--Used when Application Entry is set to GameActivity, otherwise remove this activity block-->
        <activity android:name="com.unity3d.player.UnityPlayerGameActivity"
                  android:theme="@style/BaseUnityGameActivityTheme">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
            <meta-data android:name="unityplayer.UnityActivity" android:value="true" />
            <meta-data android:name="android.app.lib_name" android:value="game" />
        </activity>
    </application>
</manifest>

buildして確認