Docs: Add Device Admin contents

Bug: 19155580
Change-Id: I42d13461627e40463912067189db2759de8531e1
diff --git a/src/devices/tech/admin/index.jd b/src/devices/tech/admin/index.jd
new file mode 100644
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+page.title=Device Administration
+@jd:body
+
+<!--
+    Copyright 2015 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.
+-->
+<div id="qv-wrapper">
+  <div id="qv">
+    <h2>In this document</h2>
+    <ol id="auto-toc">
+    </ol>
+  </div>
+</div>
+
+<p>Devices running Android 5.0 and later with the managed_users feature
+declared can be used in a <a href="http://www.android.com/work/">corporate
+environment</a> under the auspices of each company’s information technology (IT)
+department. This is possible with the introduction of <a href="multi-user.html">multiple
+users</a>, <a href="managed-profiles.html">managed profiles</a>, and enterprise
+mobility management (EMM) applications, as well as enhancements to default
+<a
+href="{@docRoot}devices/tech/security/encryption/index.html">encryption</a>,
+<a
+href="{@docRoot}devices/tech/security/verifiedboot/index.html">verified
+boot</a>, and <a
+href="{@docRoot}devices/tech/security/selinux/index.html">SELinux</a>.</p>
+
+<p>With these enhancements, either users or their IT departments may create
+managed profiles that separate corporate employer data from personal user
+information. Follow the documents within this section of the site to properly
+implement corporate device administration.</p>
+
+<h2 id=summary>Summary</h2>
+
+<p>Follow this flow to employ device administration:</p>
+
+<ol>
+  <li>Gain an understanding of key concepts, such as <a
+href="multi-user.html">multiple users</a> and <a
+href="managed-profiles.html">managed profiles</a>.
+  <li><a href="implement.html">Implement device administration</a> via custom
+overlay files.
+  <li><a href="testing-setup.html">Test</a> and validate your devices with EMM providers and applications.
+</ol>
+
+<h2 id=supporting_documentation>Supporting documentation</h2>
+
+<p><a href="http://developer.android.com/guide/topics/admin/device-admin.html">Device Administration API</a></p>
+
+<p><a href="https://developer.android.com/training/enterprise/index.html">Building Apps for Work</a></p>