81080 Add trailing commas in packages/flutter/test/cupertino (framework, f: material design, cla: yes, f: cupertino, waiting for tree to go green)

81100 Modify CupertinoSearchTextField’s prefix icon. (framework, cla: yes, f: cupertino, waiting for tree to go green)

81153 Enable avoid_escaping_inner_quotes lint (a: tests, team, tool, framework, f: material design, cla: yes, f: cupertino, waiting for tree to go green)

81226 Revert “Migrate to ChannelBuffers.push” (a: tests, team, framework, f: material design, a: accessibility, cla: yes, f: cupertino, d: examples)