69244 [flutter_tools] support ws scheme in use-existing-app (cla: yes, tool)

69245 Show macOS arm64 architecture in doctor and devices list (cla: yes, platform-mac, tool, waiting for tree to go green)

69246 [flutter_tools] conditionally invoke pub run test for drive scripts based on presence of dependency (cla: yes, tool)

69255 Make the launch background drawable compatible with older Android API levels (cla: yes, tool, waiting for tree to go green)

69261 Revert “[flutter_tools] enable web integration tests” (cla: yes, tool)

69264 [flutter_tools] Reland: Stage web tests (cla: yes, tool)

69319 Fix issue with –web-renderer. (cla: yes, tool, waiting for tree to go green)