66187 Turn off flutter_gallery__transition_perf_e2e_ios32 in devicelab (cla: yes, team)

66195 Fix windows hostonly_devicelab tests. (cla: yes, team, waiting for tree to go green)

66269 [flutter_tools] declare non-transitive deps correctly (cla: yes, team, waiting for tree to go green)

66277 [devicelab] fix manifest definition (cla: yes, team)

66284 Mark animated_placeholder_perf__e2e nonflaky (cla: yes, team, waiting for tree to go green)

66290 roll source_span 1.8.0-nullsafety.2 (cla: yes, team, tool)