session-android/res/layout/conversation_list_activity.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              xmlns:tools="http://schemas.android.com/tools"
              android:id="@+id/drawer_layout"
              android:orientation="vertical"
              android:layout_width="match_parent"
              android:layout_height="match_parent">

    <fragment
            android:id="@+id/fragment_content"
            android:name="org.thoughtcrime.securesms.ConversationListFragment"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            tools:layout="@layout/conversation_list_fragment" />

</LinearLayout>