Doc change: updates for final N landing page and related resources.

Change-Id: Ieeb3dd74a889d6c0118e4ca8575abdaddcde7e73
diff --git a/docs/html/_redirects.yaml b/docs/html/_redirects.yaml
index e28b8e6..a1eb11e 100644
--- a/docs/html/_redirects.yaml
+++ b/docs/html/_redirects.yaml
@@ -1252,7 +1252,7 @@
 - from: /preview/samples.html
   to: /about/versions/nougat/android-7.0-samples.html
 - from: /preview/guide.html
-  to: /about/versions/nougat/android-7.0-testing.html
+  to: /about/versions/nougat/index.html
 - from: /preview/api-overview.html
   to: /about/versions/nougat/android-7.0.html
 - from: /preview/index.html