Enable and fix the no_literal_bool_comparisons lint (#3527)

* Enable and fix the no_literal_bool_comparisons lint

* Update manual test as well

* Undo compiled JS changes

* Add back trailing comma

Author: parlough

analysis_options.yaml

@@ -26,6 +26,7 @@ linter:
     - directives_ordering
     - invalid_case_patterns
     - no_adjacent_strings_in_list
+    - no_literal_bool_comparisons
     - omit_local_variable_types
     - only_throw_errors
     - package_api_docs