Fix SpritedAnimationView subspec.
Fix SpritedAnimationView subspec.

Summary: SpritedAnimationView files moved.

Test Plan: pod lib lint

Reviewers: featherless, #material_components_ios_owners

Reviewed By: featherless, #material_components_ios_owners

Subscribers: cjcox

Projects: #material_components_ios_owners

Differential Revision: http://codereview.cc/D9

material-components/material-components-ios,material-components/material-components-ios,Eccelor/material-components-ios,brianjmoore/material-components-ios,Eccelor/material-components-ios,chriscox/material-components-ios,randallli/material-components-ios,sigito/material-components-ios,Eccelor/material-components-ios,randallli/material-components-ios,samnm/material-components-ios,randallli/material-components-ios,randallli/material-components-ios,willlarche/material-components-ios,material-components/material-components-ios,samnm/material-components-ios,chriscox/material-components-ios,brianjmoore/material-components-ios,willlarche/material-components-ios,sigito/material-components-ios,Eccelor/material-components-ios,chriscox/material-components-ios,brianjmoore/material-components-ios,samnm/material-components-ios,brianjmoore/material-components-ios,material-components/material-components-ios,randallli/material-components-ios,Eccelor/material-components-ios,willlarche/material-components-ios,sigito/material-components-ios,chriscox/material-components-ios,chriscox/material-components-ios,brianjmoore/material-components-ios,willlarche/material-components-ios,samnm/material-components-ios,sigito/material-components-ios,willlarche/material-components-ios,randallli/material-components-ios,samnm/material-components-ios,sigito/material-components-ios,material-components/material-components-ios