ParentChildLayout:Toolkit Parent Child Layout Stacked

Build 137 on layouts-first-core-move
1200px
Reviewing disabled
The baseline is taller than the new snapshot (900x731 to 900x715).
Baseline History
Build 137d21155e current baseline
Current build. Accepted by Fernanda Castillo.
Build 1cf98200
Auto-accepted
Commenting is disabled because there's a newer build on this branch