Fix for double header and footer on ndk download pages: b/27950742...

Fix for double header and footer on ndk download pages: b/27950742 https://android-dot-devsite.googleplex.com/ndk/downloads/index.html am: 01febb96 am: 9ba538ee am: 6e666024 am: bfe88888
am: af83fe3b

* commit 'af83fe3b':
  Fix for double header and footer on ndk download pages: b/27950742 https://android-dot-devsite.googleplex.com/ndk/downloads/index.html

Change-Id: Icff39152e6df8d9906aa97b47da31856aa3de289