Docs: Touch ups on N Preview Docs

Change-Id: I214c09d7a6895e5a5828ebda7986d9b70799dd52

docs/html/preview/features/tv-recording-api.jd

@@ -1,4 +1,4 @@
-page.title=TV Recording APIs
+page.title=TV Recording
 page.keywords=preview,sdk,tv,recording
 page.tags=androidn
 

docs/html/preview/index.jd

@@ -15,7 +15,7 @@ footer.hide=1
         <h1 class="dac-hero-title">Android N Developer Preview</h1>
         <p class="dac-hero-description">
           Get ready for Android N!
-          <strong>Test your apps</strong> on Nexus and other devices. Support new system
+          <strong>Test your apps</strong> on a variety of Nexus devices. Support new system
           behaviors to <strong>save power and memory</strong>.
           Extend your apps with <strong>multiwindow UI</strong>,
           <strong>direct reply notifications</strong> and more.

docs/html/preview/preview_toc.cs

@@ -72,7 +72,7 @@
         >Data Saver</a></li>
 
         <li><a href="<?cs var:toroot ?>preview/features/tv-recording-api.html"
-        >TV Recording APIs</a></li>
+        >TV Recording</a></li>
 
         <li><a href="<?cs var:toroot ?>preview/features/icu4j-framework.html"
         >ICU4J Support in Framework</a></li>