added policy definitions

policy_templates/en-US/MobilePCPresentationSettings.adml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--  (c) 2006 Microsoft Corporation  -->
+<policyDefinitionResources xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" revision="1.0" schemaVersion="1.0" xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions">
+  <displayName>enter display name here</displayName>
+  <description>enter description here</description>
+  <resources>
+    <stringTable>
+      <string id="PresentationSettingsCat">Presentation Settings</string>
+      <string id="PresentationSettingsEnable">Turn off Windows presentation settings</string>
+      <string id="PresentationSettingsEnableExplain">This policy setting turns off Windows presentation settings.
+
+If you enable this policy setting, Windows presentation settings cannot be invoked.
+
+If you disable this policy setting, Windows presentation settings can be invoked. The presentation settings icon will be displayed in the notification area. This will give users a quick and easy way to configure their system settings before a presentation to block system notifications and screen blanking, adjust speaker volume, and apply a custom background image.
+
+Note: Users will be able to customize their system settings for presentations in Windows Mobility Center.
+
+If you do not configure this policy setting, Windows presentation settings can be invoked.</string>
+    </stringTable>
+  </resources>
+</policyDefinitionResources>