packages/SystemUI/res/layout/notification_public_default.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
  -->

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:internal="http://schemas.android.com/apk/prv/res/android"
    android:id="@+id/status_bar_latest_event_content"
    android:layout_width="match_parent"
    android:layout_height="64dp"
    internal:layout_minHeight="64dp"
    internal:layout_maxHeight="64dp"
    >
    <ImageView android:id="@+id/icon"
        android:layout_width="40dp"
        android:layout_height="40dp"
        android:layout_marginTop="12dp"
        android:layout_marginStart="12dp"
        android:layout_marginEnd="12dp"
        android:scaleType="centerInside"
        />
    <DateTimeView android:id="@+id/time"
        android:textAppearance="@android:style/TextAppearance.Material.Notification.Time"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginEnd="8dp"
        android:layout_alignParentEnd="true"
        android:layout_alignBaseline="@id/title"
        android:singleLine="true"
        android:gravity="center"
        android:paddingStart="8dp"
        android:visibility="gone"
        />
    <TextView android:id="@+id/title"
        android:textAppearance="@android:style/TextAppearance.Material.Notification.Title"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_toEndOf="@id/icon"
        android:layout_toStartOf="@id/time"
        android:singleLine="true"
        android:ellipsize="marquee"
        android:fadingEdge="horizontal"
        />
    <ImageView android:id="@+id/profile_badge_line3"
        android:layout_width="@*android:dimen/notification_badge_size"
        android:layout_height="@*android:dimen/notification_badge_size"
        android:layout_below="@id/title"
        android:layout_marginStart="4dp"
        android:layout_marginEnd="8dp"
        android:layout_alignParentEnd="true"
        android:scaleType="fitCenter"
        android:visibility="gone"
        />
    <TextView android:id="@+id/text"
        android:textAppearance="@android:style/TextAppearance.Material.Notification"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignStart="@id/title"
        android:layout_below="@id/title"
        android:layout_toStartOf="@id/profile_badge_line3"
        android:singleLine="true"
        android:ellipsize="marquee"
        android:fadingEdge="horizontal"
        />
</RelativeLayout>