PR #17599 broke `yarn test-build-devtools`. (b6c423daadaa35da3f34048628df9635505eecb1 is not broken,  0cf22a56a18790ef34c71bef14f64695c0498619 is broken)
```
    Configuration error:
    
    Could not locate module shared/consoleWithStackDev mapped as:
    /Users/bvaughn/Documents/git/react/build/node_modules/shared/consoleWithStackDev.
    
    Please check your configuration for these entries:
    {
      "moduleNameMapper": {
        "/^shared\/([^\/]+)$/": "/Users/bvaughn/Documents/git/react/build/node_modules/shared/$1"
      },
      "resolver": null
    }
```
static childContextTypes = {
        bool: PropTypes.bool,
      };
      getChildContext() {
        return contextData;
      }
      render() {
        return this.props.children;
      }
    }
    class LegacyContextConsumer extends React.Component<any> {
      static contextTypes = {
        bool: PropTypes.bool,
      };
      render() {
        return null;
      }
    }
    
    const BoolContext = React.createContext(contextData.bool);
    BoolContext.displayName = 'BoolContext';
    class ModernContextType extends React.Component<any> {