[AVCam] add metadata

AVCam/Metadata.xml

@@ -1,14 +1,11 @@
-<?xml version="1.0" encoding="utf-8"?>
-<SampleMetadata>
-  <ID>d9f283e6-28c6-427a-91a6-fe92cbf6a888</ID>
-  <IsFullApplication>
-  </IsFullApplication>
-  <Level>
-  </Level>
-  <Tags>
-  </Tags>
-  <Gallery>
-  </Gallery>
-  <Brief>
-  </Brief>
-</SampleMetadata>
+<?xml version="1.0" encoding="utf-8" ?>
+<SampleMetadata>
+	<ID>e7510d8f-3ee4-11e6-95ff-a8206629811d</ID>
+	<IsFullApplication>false</IsFullApplication>
+	<Level>Beginning</Level>
+	<Tags>Media</Tags>
+	<SupportedPlatforms>iOS</SupportedPlatforms>
+	<Gallery>true</Gallery>
+	<MinimumLicenseRequirement>Starter</MinimumLicenseRequirement>
+	<Brief>AVCam demonstrates how to use the AVFoundation capture API to record movies and capture still images</Brief>
+</SampleMetadata>