73511 Revert “Exclude arm64 from supported iOS simulator architectures” (cla: yes, team, tool)

73514 Update outdated links (a: internationalization, cla: yes, f: material design, framework, team, tool, waiting for tree to go green)

73577 Move ios_content_validation_test to pre-submit tools test (cla: yes, team, tool)

73582 web benchmark choose renderer explicitly (cla: yes, team, waiting for tree to go green)

73586 Mark firebase tests as flaky (a: tests, cla: yes, team, team: infra)

73589 Mark smoke-catalina not flaky (cla: yes, team, waiting for tree to go green)

73591 Revert “Mark firebase tests as flaky” (cla: yes, team, team: infra)