Docs: Fix links to moved or renamed files

Bug: 23327450
Change-Id: I381b17f1c22a621049ef7a18109349d557e50ef8
diff --git a/src/devices/tech/index.jd b/src/devices/tech/index.jd
index 10c42ab..9b95216 100644
--- a/src/devices/tech/index.jd
+++ b/src/devices/tech/index.jd
@@ -30,7 +30,7 @@
 are looking to modify, contribute to, or port the Android software. This is
 "under the hood" information intended for engineers.</p>
 
-<h2 id="art-technical-information">ART</h2>
+<h2 id="art-technical-information">ART and Dalvik</h2>
 <p>The Android runtime (ART) is the heart of Android. It's a fast, ahead-of-time
 compiled runtime with modern garbage collection designed to scale.
 Android applications are compiled to Dalvik bytecode and run with ART. This
@@ -39,6 +39,14 @@
 <p><a href="{@docRoot}devices/tech/dalvik/index.html">&raquo; ART and Dalvik
 Information</a></p>
 
+<h2 id="config">Configuration</h2>
+<p>Getting the most out of Android requires tuning of the <a
+href="{@docRoot}devices/tech/config/kernel.html">kernel</a>, <a
+href="{@docRoot}devices/tech/config/renderer.html">OpenGLRenderer</a>, and
+more. See the subpages of this section for details.
+<p><a href="{@docRoot}devices/tech/config/index.html">&raquo; Configuration
+Information</a></p>
+
 <h2 id="data-usage-technical-information">Data Usage</h2>
 <p>Android's data usage features allow users to understand and control how
 their device uses network data. This section is designed for systems
@@ -47,7 +55,7 @@
 <p><a href="{@docRoot}devices/tech/datausage/index.html">&raquo; Data Usage
 Information</a></p>
 
-<h2 id="debugging">Debugging and Tuning</h2>
+<h2 id="debugging">Debugging</h2>
 <p>Android is a large and complex system. This section includes tips and tricks
 for debugging at the platform level.</p>
 <p><a href="{@docRoot}devices/tech/debug/index.html">&raquo; Debugging
@@ -66,20 +74,6 @@
 files of the HAL.</p>
 <p><a href="{@docRoot}devices/halref/files.html">&raquo; HAL Reference</a></p>
 
-<h2 id="kernel-technical-information">Kernel</h2>
-<p>The kernel configuration settings in this section are meant to be used as
-a base for an Android kernel configuration. All devices should have the
-options in android-base configuration enabled.</p>
-<p><a href="{@docRoot}devices/tech/kernel.html">&raquo; Kernel Information</a>
-</p>
-
-<h2 id="lowram-technical-information">Low RAM</h2>
-<p>Android supports devices with limited memory through various optimizations
-such as improved memory management, reduced system memory, and several
-build-time and kernel configuration settings.</p>
-<p><a href="{@docRoot}devices/tech/low-ram.html">&raquo; Low RAM Information</a>
-</p>
-
 <h2 id="ota-technical-information">OTA Updates</h2>
 <p>Android devices in the field can receive and install over-the-air (OTA)
 updates to the system and application software. This section describes the
@@ -92,7 +86,7 @@
 <p>Battery usage statistics are tracked by the framework. This involves
 keeping track of time spent by different device components in different states.
 </p>
-<p><a href="{@docRoot}devices/tech/power.html">&raquo; Power Information</a>
+<p><a href="{@docRoot}devices/tech/power/index.html">&raquo; Power Information</a>
 </p>
 
 <h2 id="security-technical-information">Security</h2>