82387 first part of applying sort_child_properties_last (framework, f: material design, cla: yes, f: cupertino, waiting for tree to go green)

82426 Enable use_named_constants_lint (tool, framework, f: material design, cla: yes, waiting for tree to go green)

82446 Revert “change the elevation of dropdown from int to double” (framework, f: material design, cla: yes)

82457 end of sort_child_properties_last (a: tests, team, framework, f: material design, a: accessibility, cla: yes, f: cupertino, d: examples, waiting for tree to go green)

82508 Remove “unnecessary” imports. (a: tests, team, tool, framework, f: material design, cla: yes, waiting for tree to go green)