28661 Use a simpler implementation of Diagnosticable.toString when running in profile/release mode (cla: yes, framework)

28663 Update TabController.indexIsChanging doc (cla: yes, framework)

28666 Make RenderUiKitView reject absorbed touch events (cla: yes, framework)

28669 Drive-by fix for TODO (cla: yes)

28672 Support hotfix version numbers (cla: yes, tool)

28673 Add missing trailing commas (cla: yes, team)

28675 Update docs for ancestorWidgetOfExactType (cla: yes, d: api docs, framework, waiting for tree to go green)

28679 Shader warm-up doc fixes (cla: yes)