Docs: Adding new images for security section
      Updating framework images with feedback

Bug: 18947698

Change-Id: Ie366b60390ad8448c86dcfdbf71a1e823bad98ee
diff --git a/src/devices/tech/security/index.jd b/src/devices/tech/security/index.jd
index 1c67377..cb5c881 100644
--- a/src/devices/tech/security/index.jd
+++ b/src/devices/tech/security/index.jd
@@ -64,7 +64,7 @@
   the components below are properly secured. With the exception of a small amount
   of Android OS code running as root, all code above the Linux Kernel is
   restricted by the Application Sandbox.</p>
-<p><img alt="Figure 1: Android software stack" src="images/image00.png" /></p>
+<p><img alt="Figure 1: Android software stack" src="images/android_software_stack.png" /></p>
 <p><em>Figure 1: Android software stack.</em></p>
 <p>The main Android platform building blocks are:</p>
 <ul>