58843 Restore some typography tests (cla: yes, f: material design, framework)

58872 Revert “Send text error in JSON and print in tools” (cla: yes, framework, tool)

58971 Update animation.dart - Staggered animations: TweenSequences example (cla: yes, framework)

58994 Send text error in JSON and print in tools (cla: yes, framework, tool, waiting for tree to go green)

59002 Revert “Send text error in JSON and print in tools” (cla: yes, framework, tool)

59008 Update TextTheme.button.letterSpacing from 0.75 to 1.25 per spec (cla: yes, f: material design, framework, waiting for tree to go green)