core/res/res/layout/time_header_label.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2013 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
  -->
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/time_header"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="@dimen/timepicker_separator_padding"
    android:gravity="center">

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:gravity="bottom"
        android:orientation="horizontal"
        android:layoutDirection="ltr">

        <TextView
            android:id="@+id/hours"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:gravity="end"
            android:layoutDirection="locale" />

        <TextView
            android:id="@+id/separator"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="@dimen/timepicker_separator_padding"
            android:layout_marginRight="@dimen/timepicker_separator_padding"
            android:importantForAccessibility="no"
            android:layoutDirection="locale" />

        <TextView
            android:id="@+id/minutes"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:gravity="start"
            android:layoutDirection="locale" />

        <LinearLayout
            android:id="@+id/ampm_layout"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            android:baselineAlignedChildIndex="1"
            android:layoutDirection="locale">
            <CheckedTextView
                android:id="@+id/am_label"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:paddingStart="@dimen/timepicker_ampm_horizontal_padding"
                android:paddingEnd="@dimen/timepicker_ampm_horizontal_padding"
                android:paddingTop="@dimen/timepicker_ampm_vertical_padding"
                android:lines="1"
                android:ellipsize="none" />
            <CheckedTextView
                android:id="@+id/pm_label"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:paddingStart="@dimen/timepicker_ampm_horizontal_padding"
                android:paddingEnd="@dimen/timepicker_ampm_horizontal_padding"
                android:paddingTop="@dimen/timepicker_pm_top_padding"
                android:lines="1"
                android:ellipsize="none" />
        </LinearLayout>
    </LinearLayout>
</FrameLayout>