Fixed build error

        <activity

            android:name=".LauncherActivity"

            android:label="@string/app_label"

            android:icon="@mipmap/ic_launcher_filemanager"

            android:icon="@mipmap/ic_launcher"

            android:theme="@android:style/Theme.NoDisplay">

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />