v7/appcompat/res/values-v21/styles.xml

<!--
  ~ 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
  -->

<resources>

    <!-- Use platform styles -->
    <style name="TextAppearance.AppCompat.Notification.Info"
           parent="@android:style/TextAppearance.Material.Notification.Info"/>

    <style name="TextAppearance.AppCompat.Notification.Time"
           parent="@android:style/TextAppearance.Material.Notification.Time"/>

    <style name="TextAppearance.AppCompat.Notification.Title"
           parent="@android:style/TextAppearance.Material.Notification.Title"/>

    <style name="TextAppearance.AppCompat.Notification"
           parent="@android:style/TextAppearance.Material.Notification"/>

    <style name="TextAppearance.AppCompat.Notification.Media" >
        <item name="android:textColor">@color/secondary_text_default_material_dark</item>
    </style>

    <style name="TextAppearance.AppCompat.Notification.Title.Media" >
        <item name="android:textColor">@color/primary_text_default_material_dark</item>
    </style>

    <style name="TextAppearance.AppCompat.Notification.Info.Media">
        <item name="android:textColor">@color/secondary_text_default_material_dark</item>
    </style>

    <style name="TextAppearance.AppCompat.Notification.Time.Media">
        <item name="android:textColor">@color/secondary_text_default_material_dark</item>
    </style>
</resources>