packages/SystemUI/res/layout/user_switcher_item.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2014 The Android Open Source Project
  ~
  ~ Licensed under the Apache License, Version 2.0 (the "License");
  ~ you may not use this file except in compliance with the License.
  ~ You may obtain a copy of the License at
  ~
  ~      http://www.apache.org/licenses/LICENSE-2.0
  ~
  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License
  -->

<LinearLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="64dp"
        android:orientation="horizontal"
        tools:context=".settings.UserSwitcherDialog">
    <ImageView
            android:layout_width="64dp"
            android:layout_height="match_parent"
            android:id="@+id/user_picture"
            tools:src="@drawable/dessert_zombiegingerbread"/>
    <TextView
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:id="@+id/user_name"
            android:textAppearance="?android:attr/textAppearanceLarge"
            android:padding="8dp"
            android:gravity="center_vertical"
            tools:text="Hiroshi Lockheimer"
            />
</LinearLayout>