packages/SystemUI/res/layout/qs_media_panel_options.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2019 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"
    android:id="@+id/qs_media_controls_options"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center"
    android:padding="16dp"
    android:orientation="vertical">
    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="48dp"
        android:layout_weight="1"
        android:minWidth="48dp"
        android:layout_gravity="start|bottom"
        android:gravity="bottom"
        android:id="@+id/remove"
        android:orientation="horizontal">
        <ImageView
            android:layout_width="18dp"
            android:layout_height="18dp"
            android:id="@+id/remove_icon"
            android:layout_marginEnd="16dp"
            android:tint="@color/media_primary_text"
            android:src="@drawable/ic_clear"/>
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/remove_text"
            android:fontFamily="@*android:string/config_headlineFontFamilyMedium"
            android:singleLine="true"
            android:textColor="@color/media_primary_text"
            android:text="@string/controls_media_close_session" />
    </LinearLayout>
    <TextView
        android:id="@+id/cancel"
        android:layout_width="wrap_content"
        android:layout_height="48dp"
        android:layout_weight="1"
        android:minWidth="48dp"
        android:layout_gravity="end|bottom"
        android:gravity="bottom"
        android:fontFamily="@*android:string/config_headlineFontFamilyMedium"
        android:textColor="@android:color/white"
        android:text="@string/cancel" />
</LinearLayout>