63438 More restoration documentation (cla: yes, d: api docs, d: examples, documentation, framework, team, waiting for tree to go green)

63439 Enable builds in presubmit and remove old ones. (team, waiting for tree to go green)

63445 Pin iOS module test plugin versions (a: existing-apps, a: tests, platform-ios, team, waiting for tree to go green)

63448 Temporarily turn off module_test_ios during investigation (platform-ios, team)

63491 Updated old button references in dev/integration_tests/flutter_gallery … full_screen_dialog_demo (f: material design, team)

63492 Update prod builders. (cla: yes, team)