instead of using separate <span> elements for each language,
provide a unique attribute in each <a> element for each localized
version of that link's title.
Change-Id: Ifcae4fcf716c8bb48f3ff18f17313b3f131c3f73
Add a custom version of docpage.cs to the droiddoc template, because
it adds a good deal of custom design and behavior (instead of updating
the doclava version of the file). Add CSS for next/previous links in
android u lessons and revise style for download button.
Change-Id: I829c4fb134d6f5c3cee82fb86958d23ef64e8481
Scott Main