27350 Make dart wrappable classes use only one native field (cla: yes, platform-fuchsia, needs tests)

27353 [fuchsia] Use FFI to get System clockMonotonic (cla: yes, waiting for tree to go green, platform-fuchsia, needs tests)

27368 Switch test_suites to yaml. (affects: tests, cla: yes, platform-fuchsia)

27377 [fuchsia] fix race in DefaultSessionConnection (cla: yes, platform-fuchsia, needs tests)

27416 Update the Fuchsia runner to use fpromise instead of fit::promise (cla: yes, waiting for tree to go green, platform-fuchsia)

27417 Add flutter test suites to test_suites.yaml. (affects: tests, cla: yes, platform-fuchsia)