Updated description for the StorageProvider browseable sample.

Change-Id: I3f83a89e3b154f207e4054b92f0d4fc1f7851eb4
diff --git a/samples/browseable/StorageProvider/_index.jd b/samples/browseable/StorageProvider/_index.jd
new file mode 100644
index 0000000..dc0da60
--- /dev/null
+++ b/samples/browseable/StorageProvider/_index.jd
@@ -0,0 +1,7 @@
+page.tags="StorageProvider"
+sample.group=Content
+@jd:body
+
+<p>This sample demonstrates how to use the
+{@link android.provider.DocumentsProvider} API to manage documents and
+expose them to the Android system for sharing.</p>