89700 Update ScaffoldMessenger docs for MaterialBanners (framework, f: material design, cla: yes, d: api docs, waiting for tree to go green, documentation)

90081 Update docs for edge to edge (platform-android, framework, cla: yes, d: api docs, waiting for tree to go green, documentation)

91585 Enable sort_child_properties_last lint (a: text input, team, framework, a: animation, f: material design, f: scrolling, cla: yes, f: cupertino, d: api docs, d: examples, waiting for tree to go green, documentation, integration_test)

91719 Bump targetSdkVersion to 31 and organize static values (team, tool, a: accessibility, cla: yes, d: api docs, d: examples, documentation, integration_test)