Docs: Add Trusty build instructions and May security build numbers to home page

Change-Id: Ic7c6adc9ff05c0ce57e417525659bf617acc5a3a
Bugs: 28551391, 28566589
diff --git a/src/index.jd b/src/index.jd
index 0011508..d735d50 100644
--- a/src/index.jd
+++ b/src/index.jd
@@ -41,6 +41,20 @@
   <div class="landing-docs">
     <div class="col-8">
     <h3>What's New</h3>
+<a href="{@docRoot}security/trusty/index.html">
+        <h4>Trusty Build Instructions</h4></a>
+        <p>Links and commands have been added for <strong><a
+        href="{@docRoot}security/trusty/index.html#downloading_building">downloading
+        and building</a></strong> the Trusty Trusted Execution Environment (TEE).</p>
+
+<a href="{@docRoot}source/build-numbers.html">
+        <h4>Build Numbers for May Security Updates</h4></a>
+        <p>New <strong><a
+        href="{@docRoot}source/build-numbers.html#source-code-tags-and-builds">build
+        numbers</a></strong> have been published for Nexus 5, Nexus 6, Nexus 7,
+        Nexus 9, Nexus 5X, Nexus 6P, and Nexus Player running Android 6.0 to
+        support the May Android security release.</p>
+
 <a href="{@docRoot}security/bulletin/index.html">
         <h4>May Android Security Bulletin</h4></a>
         <p>The <strong><a
@@ -78,22 +92,6 @@
         Checklist</a></strong> describes all of the tests available for the Camera
         hardware abstraction layer, including native, the Compatibility Test Suite
         (CTS), manual tests, and the Image Test Suite (ITS).</p>
-
-<a href="{@docRoot}security/overview/updates-resources.html#reports">
-        <h4>Android Security 2015 Year in Review</h4></a>
-        <p>The Android Security team has published its <strong><a
-        href="{@docRoot}security/reports/Google_Android_Security_2015_Report_Final.pdf">2015
-        Year In Review</a></strong> and a new document of <strong><a
-        href="{@docRoot}security/reports/Google_Android_Security_PHA_classifications.pdf">Classifications
-        for Potentially Harmful Applications</a></strong>.</p>
-
-<a href="{@docRoot}source/build-numbers.html">
-        <h4>Build Numbers for April Security Updates</h4></a>
-        <p>New <strong><a
-        href="{@docRoot}source/build-numbers.html#source-code-tags-and-builds">build
-        numbers</a></strong> have been published for Pixel C, Nexus 5, Nexus 6, Nexus 7,
-        Nexus 9, Nexus 5X, Nexus 6P, Nexus Player, and Android One running Android 6.0 and
-        Nexus 10 running Android 5.1.</p>
     </div>
 
     <div class="col-8">