88989 Add no-shuffle tag to platform_channel_test.dart (a: tests, team, framework, cla: yes, team: infra)

89004 Use task name when uploading metrics to skia perf (team, cla: yes, waiting for tree to go green)

89021 Add smoke tests for all the examples, fix 17 broken examples. (team, tool, framework, f: material design, cla: yes, f: cupertino, d: examples)

89062 Fix (Vertical)Divider samples & docs (team, framework, f: material design, cla: yes, d: examples, waiting for tree to go green)

89137 [Reland] Skip staging test update to cocoon in test runner (team, cla: yes, waiting for tree to go green)