tree f32b352aaf91749c23f8c7146dfd2026c4405573
parent 23cc6470c6a6a2fcb264539d6761ed1cd7046442
author Scott Main <smain@google.com> 1487881265 -0800
committer Scott Main <smain@google.com> 1487882492 -0800

Update 'added in' text to provide a different message for previews
and add CSS to style the APIs that are marked with this new since tag.

If the API level is not a number, then I assume the 'since' tag
given for the API level is a letter, which is what we use for
the developer previews, so it shows the new label.

Change-Id: I0e569e28144a5df37bd41a23e9d3918a0443e0a3