Merge "Changes to N Preview samples page." into mnc-mr-docs

</p>

<h3 id="notifications">Notifications</h3>

<h3 id="an">Active Notifications</h3>

<p>

  This sample is updated to demonstrates how to take advantage of new

  notifications features available in Android N.

  This is a pre-existing sample which shows a simple service that sends

  notifications using NotificationCompat. Each unread conversation from a user

  is sent as a distinct notification.

</p>

<p>

  <a href="https://github.com/googlesamples/android-Notifications">

  This sample has been updated to take advantage of new notification features

  available in Android N.

</p>

<p>

  <a href="https://github.com/googlesamples/android-ActiveNotifications">

  Get it on GitHub</a>

</p>

<h3 id="jobsched">JobScheduler</h3>

<h3 id="ms">Messaging Service</h3>

<p>

  This is a pre-existing sample which demonstrates how to use

  NotificationManager to tell how many notifications an application is currently

  showing.

</p>

<p>

  This sample demonstrates how to use the JobScheduler API to schedule

  background tasks when certain conditions apply, such as network or charging

  state.

  This sample has been updated to take advantage of new notification features

  available in Android N.

</p>

<p>

  <a href="https://github.com/googlesamples/android-JobScheduler">

  <a href="https://github.com/googlesamples/android-MessagingService">

  Get it on GitHub</a>

</p>