docs: add breadcrumbs to developing docs

Change-Id: Id63b53a77daff2fa45424dc6607a467dc55a10e3
diff --git a/docs/html/guide/developing/tools/android.jd b/docs/html/guide/developing/tools/android.jd
index 15cf8e0..a67012f 100644
--- a/docs/html/guide/developing/tools/android.jd
+++ b/docs/html/guide/developing/tools/android.jd
@@ -1,4 +1,6 @@
 page.title=android
+parent.title=Tools
+parent.link=index.html
 @jd:body
 
 <p>{@code android} is an important development tool that lets you:</p>