SystemUIGoogle/res/layout/assist_chip.xml

<?xml version="1.0" encoding="utf-8"?>
<com.google.android.systemui.assist.uihints.ChipView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:gravity="center"
    android:layout_gravity="bottom|center"
    android:minHeight="@dimen/a11y_minimum_tappable_size"
    android:minWidth="@dimen/a11y_minimum_tappable_size">

    <LinearLayout
        android:id="@id/chip_background"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="@drawable/assist_chip_background_dark"
        android:gravity="center"
        android:layoutDirection="ltr"
        android:layout_gravity="center"
        android:layout_marginHorizontal="@dimen/assist_chip_horizontal_margin"
        android:orientation="horizontal"
        android:paddingBottom="@dimen/assist_chip_bottom_padding"
        android:paddingTop="@dimen/assist_chip_top_padding">

        <ImageView
            android:id="@id/chip_icon"
            android:layout_width="@dimen/assist_chip_icon_size"
            android:layout_height="@dimen/assist_chip_icon_size"
            android:adjustViewBounds="true"
            android:contentDescription="@null"
            android:layout_gravity="center"
            android:layout_marginLeft="@dimen/assist_chip_start_padding"
            android:scaleType="fitCenter" />

        <Space
            android:id="@id/chip_element_padding"
            android:layout_width="@dimen/assist_chip_text_start_padding"
            android:layout_height="fill_parent" />

        <TextView
            android:id="@id/chip_label"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:ellipsize="none"
            android:fontFamily="@*android:string/config_bodyFontFamilyMedium"
            android:includeFontPadding="false"
            android:layout_gravity="center"
            android:layout_marginRight="@dimen/assist_chip_end_padding"
            android:singleLine="true"
            android:textAlignment="textStart"
            android:textColor="@color/assist_chip_text_dark"
            android:textSize="@dimen/assist_chip_text_size" />

    </LinearLayout>

</com.google.android.systemui.assist.uihints.ChipView>