Scott Main 02c72bc570 Revert "Revert "add dev guide for constraint layout.""
Studio 2.2 launch is back on.

This reverts commit e6469e821140a44858a4a8a518771992121f9258.

Change-Id: I1fd2bccf2bab302b81fc520ca1d2c34155f6cde7
2016-09-19 00:18:30 +00:00
..