用户点击结束考试的时候，考试状态复位；

lizhanwei

2020-01-14 9b0311fad79e23cbf38b36a700e0869f3d0089c5

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<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
    <background android:drawable="@drawable/ic_launcher_background" />
    <foreground android:drawable="@drawable/ic_launcher_foreground" />
</adaptive-icon>