36867 Add reference to StrutStyle from TextStyle (cla: yes, framework)

36874 Adjust phrasing of features (cla: yes, tool)

36877 Revert “Dismiss modal with any button press” (cla: yes, framework)

36880 [Material] Create material Banner component (cla: yes, f: material design, framework)

36884 Unbreak build_runner (cla: yes, team, tool)

36885 Manual roll of flutter/engine@ef99738…72341ed (cla: yes, engine, tool)

36886 Add annotation dependency to plugins (cla: yes, team, tool, waiting for tree to go green)

36887 Fix thumb size calculation (cla: yes, f: cupertino, framework)