Deprecate transitionController.dismisser and move the APIs into…

Authored by featherless on Apr 18 2017, 2:20 PM.

Description

Deprecate transitionController.dismisser and move the APIs into TransitionController.

Summary: Also generally consolidating transition gesture recognizers into a single entity so that it's easier to add gesture recognizers to the transition.

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

Tags: Material Motion

Differential Revision: http://codereview.cc/D3068