54122 disable the “gpu” tracing category (cla: yes, team)

54125 remove flutter_test quiver dep, use fake_async and clock instead (a: tests, cla: yes, framework, team)

54132 [flutter_tools] Migrate to package:vm_service 4: trigonometric boogaloo (cla: yes, team, tool)

54144 drop image package dependency for goldens (a: tests, cla: yes, framework, team, waiting for tree to go green)

54150 Don’t checkout master in roll_dev (cla: yes, team)

54152 [flutter_tools] Remove fromPlatform from tests (cla: yes, team, tool, waiting for tree to go green)

54155 [cleanup] Remove unused script (cla: yes, team)