43183 Silence presubmit codecov (cla: yes, team)

43187 Ensure android.enableR8 is appended to a new line (cla: yes, tool)

43188 [cleanup] Remove unused files (cla: yes, team)

43193 ButtonBar aligns in column when it overflows horizontally (a: accessibility, cla: yes, f: material design, framework)

43200 remove period from URL so that it opens correctly in vscode (cla: yes, tool)

43207 comment out fastlane test archiving (cla: yes, team)

43213 Add focus nodes, hover, and shortcuts to switches, checkboxes, and radio buttons. (cla: yes, f: material design, framework)