Revert "Update all Angular libs (run update_all.sh)."

third_party/pkg/angular/test/tools/symbol_inspector/simple_library.dart

-library simple_library;
-
-// A library for the symbol inspector test
-
-class A {
-  A(ConsParamType b) {}
-
-  FieldType field;
-  GetterType get getter => null;
-
-  MethodReturnType method(ParamType p) => null;
-
-  void methodWithFunc(ClosureReturn closure(ClosureParam parm)) {}
-
-  static StaticFieldType staticField = null;
-}
-
-class _PrivateClass {} // Should not be exported.
-typedef _PrivateTypedef(int a); // Also should not be exported.
-
-typedef TypedefReturnType TypedefType(TypedefParam a);
-
-class ConsParamType {}
-class FieldType {}
-class GetterType {}
-class MethodReturnType {}
-class ParamType {}
-class StaticFieldType {}
-
-class ClosureReturn {}
-class ClosureParam {}
-
-class TypedefReturnType {}
-class TypedefParam {}
-
-
-class Generic<K> { // Generic should be exported, but not K.
-  K get method => null;
-}