notification_icon_area.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2016 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
  -->
<com.android.keyguard.AlphaOptimizedLinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/notification_icon_area_inner"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >
    <com.android.systemui.statusbar.policy.Clock
        android:id="@+id/left_clock"
        android:textAppearance="@style/TextAppearance.StatusBar.Clock"
        android:layout_width="wrap_content"
        android:layout_height="fill_parent"
        android:singleLine="true"
        android:paddingEnd="6dip"
        android:gravity="center"
        android:visibility="gone"/>
    <com.android.systemui.statusbar.StatusBarIconView
        android:id="@+id/moreIcon"
        android:layout_width="@dimen/status_bar_icon_size"
        android:layout_height="match_parent"
        android:src="@drawable/stat_notify_more"
        android:visibility="gone" />
    <com.android.systemui.statusbar.phone.IconMerger
        android:id="@+id/notificationIcons"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_alignParentStart="true"
        android:gravity="center_vertical"
        android:orientation="horizontal"/>
</com.android.keyguard.AlphaOptimizedLinearLayout>