res/drawable/ic_action_tabswitcher.xml

<?xml version="1.0" encoding="utf-8"?>
<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="24dp"
    android:height="24dp"
    android:viewportWidth="24"
    android:viewportHeight="24">

    <path
        android:fillColor="@color/icon_white"
        android:pathData="M19 5v14H5V5h14m0-2H5c-1.1 0-2 .9-2 2v14c0 1.1 .9 2 2 2h14c1.1 0 2-.9
2-2V5c0-1.1-.9-2-2-2z" />
</vector>