Docs: Fixing table of contents headers

Bug: 18035126
Change-Id: I41be3417c69fb4b4a8355f8327da418560526704
diff --git a/src/devices/tech/security/index.jd b/src/devices/tech/security/index.jd
index b8b7dd8..783eef1 100644
--- a/src/devices/tech/security/index.jd
+++ b/src/devices/tech/security/index.jd
@@ -17,11 +17,11 @@
 -->
 <div id="qv-wrapper">
   <div id="qv">
-    <h3>In this document</h3>
-    <ol id="auto-toc">
-    </ol>
+    <h2>In this document</h2>
+    <ol id="auto-toc"></ol>
   </div>
 </div>
+
 <h2 id="introduction">Introduction</h2>
 <p>Android is a modern mobile platform that was designed to be truly open. Android
   applications make use of advanced hardware and software, as well as local and
diff --git a/src/devices/tech/security/overview/app-security.jd b/src/devices/tech/security/overview/app-security.jd
index 4632b2e..4c468cc 100644
--- a/src/devices/tech/security/overview/app-security.jd
+++ b/src/devices/tech/security/overview/app-security.jd
@@ -18,11 +18,11 @@
 -->
 <div id="qv-wrapper">
   <div id="qv">
-    <h3>In this document</h3>
-    <ol id="auto-toc">
-    </ol>
+    <h2>In this document</h2>
+    <ol id="auto-toc"></ol>
   </div>
 </div>
+
 <h2 id="elements-of-applications">Elements of Applications</h2>
 <p>Android provides an open source platform and application environment for mobile
   devices. The core operating system is based on the Linux kernel. Android
diff --git a/src/devices/tech/security/overview/index.jd b/src/devices/tech/security/overview/index.jd
index 6af758d..e23d734 100644
--- a/src/devices/tech/security/overview/index.jd
+++ b/src/devices/tech/security/overview/index.jd
@@ -17,11 +17,11 @@
 -->
 <div id="qv-wrapper">
   <div id="qv">
-    <h3>In this document</h3>
-    <ol id="auto-toc">
-    </ol>
+    <h2>In this document</h2>
+    <ol id="auto-toc"></ol>
   </div>
 </div>
+
 <h2 id="android-security-program-overview">Security Program Overview</h2>
 <p>Early on in development, the core Android development team recognized that a
   robust security model was required to enable a vigorous ecosystem of
diff --git a/src/devices/tech/security/overview/kernel-security.jd b/src/devices/tech/security/overview/kernel-security.jd
index e5aea7a..12ae1bb 100644
--- a/src/devices/tech/security/overview/kernel-security.jd
+++ b/src/devices/tech/security/overview/kernel-security.jd
@@ -18,11 +18,11 @@
 -->
 <div id="qv-wrapper">
   <div id="qv">
-    <h3>In this document</h3>
-    <ol id="auto-toc">
-    </ol>
+    <h2>In this document</h2>
+    <ol id="auto-toc"></ol>
   </div>
 </div>
+
 <p>At the operating system level, the Android platform provides the security of
   the Linux kernel, as well as a secure inter-process communication (IPC)
   facility to enable secure communication between applications running in
diff --git a/src/devices/tech/security/overview/updates-resources.jd b/src/devices/tech/security/overview/updates-resources.jd
index 62e9bd6..357aa0c 100644
--- a/src/devices/tech/security/overview/updates-resources.jd
+++ b/src/devices/tech/security/overview/updates-resources.jd
@@ -18,11 +18,11 @@
 -->
 <div id="qv-wrapper">
   <div id="qv">
-    <h3>In this document</h3>
-    <ol id="auto-toc">
-    </ol>
+    <h2>In this document</h2>
+    <ol id="auto-toc"></ol>
   </div>
 </div>
+
 <h2 id="android-updates">Android Updates</h2>
 <p>Android provides system updates for both security and feature related purposes.</p>
 <p>There are two ways to update the code on most Android devices: over-the-air