tree 7d88b18537519ad06799fc94b6a1e34632bfca80
parent ff335fb4a7d5d0098cefdc2c164f819f27c12135
author Elliott Hughes <enh@google.com> 1604100747 -0700
committer Elliott Hughes <enh@google.com> 1604100747 -0700

Docs: give API levels for app developers.

But also include the marketing names/numbers and the codenames too, so
everyone can follow along at home.

Test: N/A
Change-Id: Ic102c6b72070380813342e8d04c00bf1ee0dc3f8