session-android/res/layout/device_list_item_view.xml

<?xml version="1.0" encoding="utf-8"?>
<org.thoughtcrime.securesms.DeviceListItem
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="64dp"
    android:paddingStart="16dp"
    android:paddingEnd="16dp"
    android:gravity="center_vertical">

    <TextView
        android:id="@+id/name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:ellipsize="marquee"
        android:singleLine="true"
        android:text="Name"
        android:textAppearance="?android:attr/textAppearanceMedium"
        android:textColor="?attr/conversation_list_item_contact_color"
        android:textSize="18sp" />

    <TextView
        android:id="@+id/shortId"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="2dp"
        android:ellipsize="marquee"
        android:singleLine="true"
        android:text="shortId"
        android:textAppearance="?android:attr/textAppearanceMedium"
        android:textColor="#A2A2A2"
        android:textSize="14sp" />

</org.thoughtcrime.securesms.DeviceListItem>