91530 Enable no_default_cases lint (a: tests, a: text input, team, tool, framework, a: animation, f: material design, a: accessibility, f: scrolling, cla: yes, f: cupertino, d: examples, waiting for tree to go green, f: focus, 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)

92052 Bump Kotlin version in templates and projects (team, tool, a: accessibility, cla: yes, d: examples, waiting for tree to go green, integration_test)

92450 Improve how AttributedStrings are presented in the widget inspector (framework, a: accessibility, cla: yes, waiting for tree to go green)