76720 [flutter_releases] Flutter 1.26.0-17.8.pre Beta Framework Cherrypicks (cla: yes, engine)

76721 [flutter_tools] replace vm_service extension methods with wrapper class (cla: yes, tool)

76724 [flutter_tools] fix comment in resident web runner (cla: yes, tool, waiting for tree to go green)

76725 [flutter_tools] remove process manager mocks from error_handling_io tests (cla: yes, tool, waiting for tree to go green)

76731 Fix codesign test: ios-deploy does not need entitlements (cla: yes, team, waiting for tree to go green)

76732 Move a second batch of mac/ios tests to prod. (cla: yes, team)