docs: Repairing broken links from staging.
Bug: 9192223

Change-Id: I4579b4cc5a58785f4ade92a748a434e3f2806425

Staging location:
http://claym.mtv.corp.google.com:8082/index.html
diff --git a/src/devices/tech/input/input-device-configuration-files.jd b/src/devices/tech/input/input-device-configuration-files.jd
index e5629c3..06c8994 100644
--- a/src/devices/tech/input/input-device-configuration-files.jd
+++ b/src/devices/tech/input/input-device-configuration-files.jd
@@ -123,5 +123,5 @@
 correctly for all internal input devices.</p>
 <h2 id="validation">Validation</h2>
 <p>Make sure to validate your input device configuration files using the
-<a href="/tech/input/validate-keymaps.html">Validate Keymaps</a> tool.</p>
+<a href="validate-keymaps.html">Validate Keymaps</a> tool.</p>