Add a backgroundColor property to Reactive+CALayer.

Authored by featherless on May 17 2017, 1:06 PM.

Description

Add a backgroundColor property to Reactive+CALayer.

Reviewers: O2 Material Motion, O4 Material Apple platform reviewers, Material Motion, markwei

Reviewed By: O2 Material Motion, O4 Material Apple platform reviewers, Material Motion, markwei

Tags: Material Motion

Differential Revision: http://codereview.cc/D3233