packages/SystemUI/res/layout/status_bar_notification_keyguard_overflow.xml

<!--
  ~ 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
  -->

<!-- Extends FrameLayout -->
<com.android.systemui.statusbar.NotificationOverflowContainer
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="32dp"
    android:focusable="true"
    android:clickable="true"
    >
    <TextView
        android:id="@+id/more_text"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center_vertical"
        android:gravity="center_horizontal"
        android:textColor="@color/keyguard_overflow_content_color"
        android:textAllCaps="true"
        android:textAppearance="?android:attr/textAppearanceMedium"
        />
    <com.android.systemui.statusbar.NotificationOverflowIconsView
        android:id="@+id/overflow_icons_view"
        android:layout_gravity="end|center_vertical"
        android:gravity="end"
        android:paddingLeft="8dp"
        android:paddingRight="8dp"
        android:layout_width="120dp"
        android:layout_height="wrap_content"
        />
</com.android.systemui.statusbar.NotificationOverflowContainer>