tree 977add6d7416e8c2fa227a91ebdaba77a0e9a572
parent 75f9bfb8b097c0f2613818a5f84e35a019b030d7
author Torne (Richard Coles) <torne@google.com> 1413975642 +0100
committer Torne (Richard Coles) <torne@google.com> 1413975642 +0100

Drop official release of SDK 20 and 21.

The SDKs were downloaded by the Android SDK manager.

Change-Id: I488df8d7ee51a4ce1a32fdbd9223656dc86d649e