Doc change: Updates to preview program overview and tags.

Change-Id: I60db437ea5aabe3fad0284726d0e3850828c92a3
diff --git a/docs/html/preview/api-changes.jd b/docs/html/preview/api-changes.jd
index e4be2a1..8ea91dd 100644
--- a/docs/html/preview/api-changes.jd
+++ b/docs/html/preview/api-changes.jd
@@ -1,6 +1,6 @@
 page.title=Behavior Changes
 page.keywords=preview,sdk,compatibility
-sdk.platform.apiLevel=23
+page.tags=previewresources, androidm
 @jd:body
 
 <div id="qv-wrapper">