por favor como hago que las dos clases MyApplication y AppController este en el manifest

<uses-permission android:name="android.permission.INTERNET" />  <application     android:name=".MyApplication"     android:allowBackup="true"     android:icon="@drawable/ingrepto"     android:label="@string/app_name"     android:theme="@style/AppTheme">      < android:name=".AppController"     android:allowBackup="true"     android:icon="@mipmap/ic_launcher"     android:label="@string/app_name"     android:supportsRtl="true"     android:theme="@style/AppTheme"/>       <activity android:name=".MainActivity">         <intent-filter>             <action android:name="android.intent.action.MAIN" />              <category android:name="android.intent.category.LAUNCHER" />         </intent-filter>     </activity>     <activity android:name=".PresentacionLayout" /> </application>