65987 Roll Engine from 933f811d94ab to 2abe69c60818 (1 revision) (cla: yes, waiting for tree to go green)

65988 Replaced reference to obsolete FlatButton button class in SnackBar (cla: yes, f: material design, framework, waiting for tree to go green)

65993 Update localizations (a: internationalization, cla: yes, f: material design, waiting for tree to go green)

65997 remove non-nullability on Navigator methods (cla: yes, framework, team, waiting for tree to go green)

65998 Fix bug when updating the divisions and value of the slider at the same time (cla: yes, f: material design, framework, waiting for tree to go green)