add redirects for removed files from I1b17e4eca17e69169002fc617180beb2ac83f67a

Change-Id: I3a3d0e5b805aecd4e25fe5b46327a5fa28dbe478

Author: scottamain

scripts/app_engine_server/redirects.yaml

@@ -93,7 +93,10 @@ redirects:
   type: permanent
   comment: Redirect sdk reference to new location
 
-#new one works
+- src: /sdk/ndk/overview.html
+  dst: /tools/sdk/ndk/index.html
+  type: permanent
+
 - src: /sdk/ndk/
   dst: /tools/sdk/ndk/
   type: permanent