70834 Fix error message typo (cla: yes, tool, waiting for tree to go green)

70847 Ensure attaching to an application with an existing DDS instance is not treated as a fatal error (cla: yes, team, tool)

70853 [flutter_tools] skip ck restart on all platforms (cla: yes, tool, waiting for tree to go green)

70862 [flutter_test] Correct flutter_test_configuration.dart documentation (a: tests, cla: yes, framework, waiting for tree to go green)

70863 [flutter_tools] remove globals from flutter web platform (cla: yes, tool)

70865 [flutter_tools] wire up alternative invalidation strategy to features (cla: yes, tool)