81329 Add trailing commas in packages/flutter/test/material (framework, f: material design, cla: yes, waiting for tree to go green)

81336 Deprecate ThemeData accentColor, accentColorBright, accentIconTheme, accentTextTheme (framework, f: material design, cla: yes)

81359 Fixed ProgressIndicatorTheme.wrap() (framework, f: material design, cla: yes)

81372 Adding itemExtent to ReorderableList and ReorderableListView (framework, f: material design, cla: yes, waiting for tree to go green)

81393 Added arrowHeadColor property to PaginatedDataTable (framework, f: material design, cla: yes)

81406 Add trailing commas in examples and packages/flutter/ (team, framework, f: material design, cla: yes, f: cupertino, d: examples)