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="match_parent"
                                           android:layout_marginStart="16dp"
                                           android:layout_marginEnd="16dp">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:paddingBottom="8dp"
        >

        <TextView
            android:id="@+id/name"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="8dp"
            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" />
    </LinearLayout>

</org.thoughtcrime.securesms.DeviceListItem>