Pull the core animation reactive property builder out of ReactiveCALayer so…

Authored by featherless on Tue, Mar 14, 4:29 PM.

Description

Pull the core animation reactive property builder out of ReactiveCALayer so that apps can create custom core animation properties.

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

Reviewed By: O4 Material Apple platform reviewers, chuga

Tags: Material Motion

Differential Revision: http://codereview.cc/D2876