packages/SystemUI/res/layout/keyguard_indication_text_view.xml

<?xml version="1.0" encoding="utf-8"?>

<merge xmlns:android="http://schemas.android.com/apk/res/android">
    <com.android.systemui.statusbar.phone.KeyguardIndicationTextView
        android:id="@+id/keyguard_indication_text"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:paddingStart="@dimen/keyguard_indication_text_padding"
        android:paddingEnd="@dimen/keyguard_indication_text_padding"
        android:textAppearance="@style/TextAppearance.Keyguard.BottomArea"
        android:accessibilityLiveRegion="polite"/>
</merge>