68636 Mark the test as flaky again (cla: yes, team)

68641 Updated dartdoc to 0.36.0 (cla: yes, team, waiting for tree to go green)

68642 Sound null safety for framework and flutter_test (a: tests, cla: yes, d: examples, f: cupertino, f: material design, framework, team)

68645 Migrate flutter_localizations to null safety. (a: internationalization, cla: yes, f: cupertino, f: material design, framework, team)

68654 Driver vm service (a: tests, cla: yes, framework, t: flutter driver, team, waiting for tree to go green)

68656 Enable dev/bots/ build_tests for macOS (a: desktop, cla: yes, platform-mac, team)